91073852 has 6 divisors (see below), whose sum is σ = 159379248. Its totient is φ = 45536924.

The previous prime is 91073849. The next prime is 91073863. The reversal of 91073852 is 25837019.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11384228 + ... + 11384235.

It is an arithmetic number, because the mean of its divisors is an integer number (26563208).

Almost surely, 2^91073852 is an apocalyptic number.

It is an amenable number.

91073852 is a deficient number, since it is larger than the sum of its proper divisors (68305396).

91073852 is a wasteful number, since it uses less digits than its factorization.

91073852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22768467 (or 22768465 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 91073852 is about 9543.2621257094. The cubic root of 91073852 is about 449.9157900038.

The spelling of 91073852 in words is "ninety-one million, seventy-three thousand, eight hundred fifty-two".