90457695 has 32 divisors (see below), whose sum is σ = 161360640. Its totient is φ = 48080160.

The previous prime is 90457691. The next prime is 90457723. The reversal of 90457695 is 59675409.

It is a happy number.

It is not a de Polignac number, because 90457695 - 2² = 90457691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 90457695.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90457691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45880 + ... + 47810.

It is an arithmetic number, because the mean of its divisors is an integer number (5042520).

Almost surely, 2^90457695 is an apocalyptic number.

90457695 is a deficient number, since it is larger than the sum of its proper divisors (70902945).

90457695 is a wasteful number, since it uses less digits than its factorization.

90457695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292 (or 2286 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 90457695 is about 9510.9250338755. The cubic root of 90457695 is about 448.8988633044.

The spelling of 90457695 in words is "ninety million, four hundred fifty-seven thousand, six hundred ninety-five".