75242492 has 12 divisors (see below), whose sum is σ = 141803256. Its totient is φ = 34727280.

The previous prime is 75242483. The next prime is 75242509. The reversal of 75242492 is 29424257.

It is a super-2 number, since 2×75242492² = 11322865204740128, which contains 22 as substring.

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, 723434 + ... + 723537.

It is an arithmetic number, because the mean of its divisors is an integer number (11816938).

Almost surely, 2^75242492 is an apocalyptic number.

It is an amenable number.

75242492 is a deficient number, since it is larger than the sum of its proper divisors (66560764).

75242492 is a wasteful number, since it uses less digits than its factorization.

75242492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446988 (or 1446986 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 75242492 is about 8674.2430217282. The cubic root of 75242492 is about 422.1703451909.

The spelling of 75242492 in words is "seventy-five million, two hundred forty-two thousand, four hundred ninety-two".