74020532 has 12 divisors (see below), whose sum is σ = 135168096. Its totient is φ = 35401080.

The previous prime is 74020519. The next prime is 74020543. The reversal of 74020532 is 23502047.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 74020498 and 74020507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402194 + ... + 402377.

It is an arithmetic number, because the mean of its divisors is an integer number (11264008).

Almost surely, 2^74020532 is an apocalyptic number.

It is an amenable number.

74020532 is a deficient number, since it is larger than the sum of its proper divisors (61147564).

74020532 is a wasteful number, since it uses less digits than its factorization.

74020532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804598 (or 804596 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 74020532 is about 8603.5185825335. The cubic root of 74020532 is about 419.8724707290.

Adding to 74020532 its reverse (23502047), we get a palindrome (97522579).

The spelling of 74020532 in words is "seventy-four million, twenty thousand, five hundred thirty-two".