90079736474 has 32 divisors (see below), whose sum is σ = 166764407040. Its totient is φ = 35536649472.

The previous prime is 90079736471. The next prime is 90079736477. The reversal of 90079736474 is 47463797009.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90079736471) and next prime (90079736477).

It is a super-2 number, since 2×90079736474² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90079736471) 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, 623999 + ... + 754674.

It is an arithmetic number, because the mean of its divisors is an integer number (5211387720).

Almost surely, 2^90079736474 is an apocalyptic number.

90079736474 is a deficient number, since it is larger than the sum of its proper divisors (76684670566).

90079736474 is a wasteful number, since it uses less digits than its factorization.

90079736474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379054.

The product of its (nonzero) digits is 8001504, while the sum is 56.

The spelling of 90079736474 in words is "ninety billion, seventy-nine million, seven hundred thirty-six thousand, four hundred seventy-four".