74662742 has 96 divisors (see below), whose sum is σ = 158008320. Its totient is φ = 25608960.

The previous prime is 74662739. The next prime is 74662751. The reversal of 74662742 is 24726647.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 74662696 and 74662705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 945059 + ... + 945137.

It is an arithmetic number, because the mean of its divisors is an integer number (1645920).

Almost surely, 2^74662742 is an apocalyptic number.

74662742 is an abundant number, since it is smaller than the sum of its proper divisors (83345578).

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

74662742 is a wasteful number, since it uses less digits than its factorization.

74662742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 135 counting only the distinct ones).

The product of its digits is 112896, while the sum is 38.

The square root of 74662742 is about 8640.7604989376. The cubic root of 74662742 is about 421.0832618556.

The spelling of 74662742 in words is "seventy-four million, six hundred sixty-two thousand, seven hundred forty-two".