74102132 has 24 divisors (see below), whose sum is σ = 141628032. Its totient is φ = 33717600.

The previous prime is 74102131. The next prime is 74102137. The reversal of 74102132 is 23120147.

It is a super-2 number, since 2×74102132² = 10982251933890848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74102131) 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, 6344 + ... + 13727.

It is an arithmetic number, because the mean of its divisors is an integer number (5901168).

Almost surely, 2^74102132 is an apocalyptic number.

It is an amenable number.

74102132 is a deficient number, since it is larger than the sum of its proper divisors (67525900).

74102132 is a wasteful number, since it uses less digits than its factorization.

74102132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20159 (or 20157 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 74102132 is about 8608.2595221101. The cubic root of 74102132 is about 420.0267027618.

Adding to 74102132 its reverse (23120147), we get a palindrome (97222279).

The spelling of 74102132 in words is "seventy-four million, one hundred two thousand, one hundred thirty-two".