61238030 has 32 divisors (see below), whose sum is σ = 126572544. Its totient is φ = 20896416.

The previous prime is 61237993. The next prime is 61238033. The reversal of 61238030 is 3083216.

It is a junction number, because it is equal to n+sod(n) for n = 61237987 and 61238005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61238033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13649 + ... + 17571.

It is an arithmetic number, because the mean of its divisors is an integer number (3955392).

Almost surely, 2^61238030 is an apocalyptic number.

61238030 is an abundant number, since it is smaller than the sum of its proper divisors (65334514).

61238030 is a wasteful number, since it uses less digits than its factorization.

61238030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4160.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 61238030 is about 7825.4731486345. The cubic root of 61238030 is about 394.1610780306.

The spelling of 61238030 in words is "sixty-one million, two hundred thirty-eight thousand, thirty".