91073674 has 8 divisors (see below), whose sum is σ = 136659780. Its totient is φ = 45520416.

The previous prime is 91073603. The next prime is 91073677. The reversal of 91073674 is 47637019.

It can be written as a sum of positive squares in 2 ways, for example, as 85433049 + 5640625 = 9243^2 + 2375^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (91073677) 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, 622 + ... + 13510.

Almost surely, 2^91073674 is an apocalyptic number.

91073674 is a deficient number, since it is larger than the sum of its proper divisors (45586106).

91073674 is a wasteful number, since it uses less digits than its factorization.

91073674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16424.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 91073674 is about 9543.2527997533. The cubic root of 91073674 is about 449.9154968898.

The spelling of 91073674 in words is "ninety-one million, seventy-three thousand, six hundred seventy-four".