75378492 has 48 divisors (see below), whose sum is σ = 223345920. Its totient is φ = 21536496.

The previous prime is 75378469. The next prime is 75378533. The reversal of 75378492 is 29487357.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49098 + ... + 50609.

It is an arithmetic number, because the mean of its divisors is an integer number (4653040).

Almost surely, 2^75378492 is an apocalyptic number.

It is an amenable number.

75378492 is an abundant number, since it is smaller than the sum of its proper divisors (147967428).

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

75378492 is a wasteful number, since it uses less digits than its factorization.

75378492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99727 (or 99719 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 75378492 is about 8682.0787833329. The cubic root of 75378492 is about 422.4245482247.

The spelling of 75378492 in words is "seventy-five million, three hundred seventy-eight thousand, four hundred ninety-two".