78204832 has 12 divisors (see below), whose sum is σ = 153965826. Its totient is φ = 39102400.

The previous prime is 78204809. The next prime is 78204857. The reversal of 78204832 is 23840287.

It can be written as a sum of positive squares in only one way, i.e., 73205136 + 4999696 = 8556^2 + 2236^2 .

It is a super-2 number, since 2×78204832² = 12231991496296448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221919 + ... + 1221982.

Almost surely, 2^78204832 is an apocalyptic number.

It is an amenable number.

78204832 is a deficient number, since it is larger than the sum of its proper divisors (75760994).

78204832 is a wasteful number, since it uses less digits than its factorization.

78204832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443911 (or 2443903 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 78204832 is about 8843.3495916423. The cubic root of 78204832 is about 427.6395486194.

The spelling of 78204832 in words is "seventy-eight million, two hundred four thousand, eight hundred thirty-two".