74132542 has 32 divisors (see below), whose sum is σ = 127319040. Its totient is φ = 32044320.

The previous prime is 74132537. The next prime is 74132543. The reversal of 74132542 is 24523147.

It is a self number, because there is not a number n which added to its sum of digits gives 74132542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74132543) 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, 120628 + ... + 121240.

It is an arithmetic number, because the mean of its divisors is an integer number (3978720).

Almost surely, 2^74132542 is an apocalyptic number.

74132542 is a deficient number, since it is larger than the sum of its proper divisors (53186498).

74132542 is a wasteful number, since it uses less digits than its factorization.

74132542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888.

The product of its digits is 6720, while the sum is 28.

The square root of 74132542 is about 8610.0256677898. The cubic root of 74132542 is about 420.0841516945.

Adding to 74132542 its reverse (24523147), we get a palindrome (98655689).

The spelling of 74132542 in words is "seventy-four million, one hundred thirty-two thousand, five hundred forty-two".