78937532 has 24 divisors (see below), whose sum is σ = 143095680. Its totient is φ = 38062080.

The previous prime is 78937519. The next prime is 78937543. The reversal of 78937532 is 23573987.

It is a super-2 number, since 2×78937532² = 12462267916502048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40844 + ... + 42732.

It is an arithmetic number, because the mean of its divisors is an integer number (5962320).

Almost surely, 2^78937532 is an apocalyptic number.

It is an amenable number.

78937532 is a deficient number, since it is larger than the sum of its proper divisors (64158148).

78937532 is a wasteful number, since it uses less digits than its factorization.

78937532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261 (or 2259 counting only the distinct ones).

The product of its digits is 317520, while the sum is 44.

The square root of 78937532 is about 8884.6796228114. The cubic root of 78937532 is about 428.9709157404.

The spelling of 78937532 in words is "seventy-eight million, nine hundred thirty-seven thousand, five hundred thirty-two".