90707476 has 12 divisors (see below), whose sum is σ = 164212020. Its totient is φ = 43789760.

The previous prime is 90707471. The next prime is 90707479. The reversal of 90707476 is 67470709.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47279376 + 43428100 = 6876^2 + 6590^2 .

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90707471) 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, 390865 + ... + 391096.

It is an arithmetic number, because the mean of its divisors is an integer number (13684335).

Almost surely, 2^90707476 is an apocalyptic number.

It is an amenable number.

90707476 is a deficient number, since it is larger than the sum of its proper divisors (73504544).

90707476 is a wasteful number, since it uses less digits than its factorization.

90707476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781994 (or 781992 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 90707476 is about 9524.0472489378. The cubic root of 90707476 is about 449.3116653332.

The spelling of 90707476 in words is "ninety million, seven hundred seven thousand, four hundred seventy-six".