74151132 has 48 divisors (see below), whose sum is σ = 194847744. Its totient is φ = 21744000.

The previous prime is 74151131. The next prime is 74151157. The reversal of 74151132 is 23115147.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74151131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4969 + ... + 13152.

It is an arithmetic number, because the mean of its divisors is an integer number (4059328).

Almost surely, 2^74151132 is an apocalyptic number.

It is an amenable number.

74151132 is an abundant number, since it is smaller than the sum of its proper divisors (120696612).

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

74151132 is a wasteful number, since it uses less digits than its factorization.

74151132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18170 (or 18168 counting only the distinct ones).

The product of its digits is 840, while the sum is 24.

The square root of 74151132 is about 8611.1051555535. The cubic root of 74151132 is about 420.1192631830.

Adding to 74151132 its reverse (23115147), we get a palindrome (97266279).

The spelling of 74151132 in words is "seventy-four million, one hundred fifty-one thousand, one hundred thirty-two".