90873372 has 24 divisors (see below), whose sum is σ = 216550656. Its totient is φ = 29646448.

The previous prime is 90873359. The next prime is 90873379. The reversal of 90873372 is 27337809.

It is a self number, because there is not a number n which added to its sum of digits gives 90873372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90873379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79998 + ... + 81125.

It is an arithmetic number, because the mean of its divisors is an integer number (9022944).

Almost surely, 2^90873372 is an apocalyptic number.

It is an amenable number.

90873372 is an abundant number, since it is smaller than the sum of its proper divisors (125677284).

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

90873372 is a wasteful number, since it uses less digits than its factorization.

90873372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161177 (or 161175 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 90873372 is about 9532.7525930342. The cubic root of 90873372 is about 449.5854156923.

The spelling of 90873372 in words is "ninety million, eight hundred seventy-three thousand, three hundred seventy-two".