90704232 has 32 divisors (see below), whose sum is σ = 251956800. Its totient is φ = 30234672.

The previous prime is 90704191. The next prime is 90704239. The reversal of 90704232 is 23240709.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 90704196 and 90704205.

It is not an unprimeable number, because it can be changed into a prime (90704239) 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, 209748 + ... + 210179.

It is an arithmetic number, because the mean of its divisors is an integer number (7873650).

Almost surely, 2^90704232 is an apocalyptic number.

It is an amenable number.

90704232 is an abundant number, since it is smaller than the sum of its proper divisors (161252568).

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

90704232 is a wasteful number, since it uses less digits than its factorization.

90704232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419942 (or 419932 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 90704232 is about 9523.8769416661. The cubic root of 90704232 is about 449.3063089778.

The spelling of 90704232 in words is "ninety million, seven hundred four thousand, two hundred thirty-two".