74662272 has 48 divisors (see below), whose sum is σ = 214851780. Its totient is φ = 24887040.

The previous prime is 74662253. The next prime is 74662279. The reversal of 74662272 is 27226647.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74662279) 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, 31254 + ... + 33557.

Almost surely, 2^74662272 is an apocalyptic number.

74662272 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

74662272 is an abundant number, since it is smaller than the sum of its proper divisors (140189508).

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

74662272 is a wasteful number, since it uses less digits than its factorization.

74662272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64831 (or 64816 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 74662272 is about 8640.7333022146. The cubic root of 74662272 is about 421.0823782844.

The spelling of 74662272 in words is "seventy-four million, six hundred sixty-two thousand, two hundred seventy-two".