90180764 has 12 divisors (see below), whose sum is σ = 166122600. Its totient is φ = 42717168.

The previous prime is 90180757. The next prime is 90180773. The reversal of 90180764 is 46708109.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593219 + ... + 593370.

It is an arithmetic number, because the mean of its divisors is an integer number (13843550).

Almost surely, 2^90180764 is an apocalyptic number.

It is an amenable number.

90180764 is a deficient number, since it is larger than the sum of its proper divisors (75941836).

90180764 is a wasteful number, since it uses less digits than its factorization.

90180764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186612 (or 1186610 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 90180764 is about 9496.3553008510. The cubic root of 90180764 is about 448.4403023997.

The spelling of 90180764 in words is "ninety million, one hundred eighty thousand, seven hundred sixty-four".