74842772 has 24 divisors (see below), whose sum is σ = 139164480. Its totient is φ = 35096960.

The previous prime is 74842771. The next prime is 74842793. The reversal of 74842772 is 27724847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74842771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19379 + ... + 22917.

It is an arithmetic number, because the mean of its divisors is an integer number (5798520).

Almost surely, 2^74842772 is an apocalyptic number.

It is an amenable number.

74842772 is a deficient number, since it is larger than the sum of its proper divisors (64321708).

74842772 is a wasteful number, since it uses less digits than its factorization.

74842772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3871 (or 3869 counting only the distinct ones).

The product of its digits is 175616, while the sum is 41.

The square root of 74842772 is about 8651.1717125485. The cubic root of 74842772 is about 421.4214348581.

The spelling of 74842772 in words is "seventy-four million, eight hundred forty-two thousand, seven hundred seventy-two".