74892534 has 12 divisors (see below), whose sum is σ = 149827476. Its totient is φ = 24957112.

The previous prime is 74892511. The next prime is 74892539. The reversal of 74892534 is 43529847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74892539) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19432 + ... + 22964.

It is an arithmetic number, because the mean of its divisors is an integer number (12485623).

Almost surely, 2^74892534 is an apocalyptic number.

74892534 is an abundant number, since it is smaller than the sum of its proper divisors (74934942).

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

74892534 is an frugal number, since it uses more digits than its factorization.

74892534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7071 (or 3538 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 74892534 is about 8654.0472612530. The cubic root of 74892534 is about 421.5148134030.

The spelling of 74892534 in words is "seventy-four million, eight hundred ninety-two thousand, five hundred thirty-four".