74902542 has 32 divisors (see below), whose sum is σ = 175996800. Its totient is φ = 20951520.

The previous prime is 74902523. The next prime is 74902567. The reversal of 74902542 is 24520947.

It is a super-2 number, since 2×74902542² = 11220781596123528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 42792 + ... + 44507.

It is an arithmetic number, because the mean of its divisors is an integer number (5499900).

Almost surely, 2^74902542 is an apocalyptic number.

74902542 is an abundant number, since it is smaller than the sum of its proper divisors (101094258).

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

74902542 is a wasteful number, since it uses less digits than its factorization.

74902542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87328.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 74902542 is about 8654.6254684995. The cubic root of 74902542 is about 421.5335884492.

The spelling of 74902542 in words is "seventy-four million, nine hundred two thousand, five hundred forty-two".