61677413 has 4 divisors (see below), whose sum is σ = 70488480. Its totient is φ = 52866348.

The previous prime is 61677373. The next prime is 61677419. The reversal of 61677413 is 31477616.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61677413 - 2⁶ = 61677349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61677419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4405523 + ... + 4405536.

It is an arithmetic number, because the mean of its divisors is an integer number (17622120).

Almost surely, 2^61677413 is an apocalyptic number.

It is an amenable number.

61677413 is a deficient number, since it is larger than the sum of its proper divisors (8811067).

61677413 is an equidigital number, since it uses as much as digits as its factorization.

61677413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8811066.

The product of its digits is 21168, while the sum is 35.

The square root of 61677413 is about 7853.4968644547. The cubic root of 61677413 is about 395.1015345457.

The spelling of 61677413 in words is "sixty-one million, six hundred seventy-seven thousand, four hundred thirteen".