74642032 has 20 divisors (see below), whose sum is σ = 152231080. Its totient is φ = 35356608.

The previous prime is 74641999. The next prime is 74642033. The reversal of 74642032 is 23024647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74642033) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 122463 + ... + 123070.

It is an arithmetic number, because the mean of its divisors is an integer number (7611554).

Almost surely, 2^74642032 is an apocalyptic number.

It is an amenable number.

74642032 is an abundant number, since it is smaller than the sum of its proper divisors (77589048).

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

74642032 is a wasteful number, since it uses less digits than its factorization.

74642032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245560 (or 245554 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 74642032 is about 8639.5620259363. The cubic root of 74642032 is about 421.0443248054.

Adding to 74642032 its reverse (23024647), we get a palindrome (97666679).

It can be divided in two parts, 746 and 42032, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 74642032 in words is "seventy-four million, six hundred forty-two thousand, thirty-two".