90349672 has 32 divisors (see below), whose sum is σ = 194785920. Its totient is φ = 38485440.

The previous prime is 90349667. The next prime is 90349687. The reversal of 90349672 is 27694309.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4522 + ... + 14182.

It is an arithmetic number, because the mean of its divisors is an integer number (6087060).

Almost surely, 2^90349672 is an apocalyptic number.

It is an amenable number.

90349672 is an abundant number, since it is smaller than the sum of its proper divisors (104436248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90349672 is a wasteful number, since it uses less digits than its factorization.

90349672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9841 (or 9837 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 90349672 is about 9505.2444471460. The cubic root of 90349672 is about 448.7201030664.

The spelling of 90349672 in words is "ninety million, three hundred forty-nine thousand, six hundred seventy-two".