78372048 has 20 divisors (see below), whose sum is σ = 202461248. Its totient is φ = 26124000.

The previous prime is 78372037. The next prime is 78372059. The reversal of 78372048 is 84027387.

It is an interprime number because it is at equal distance from previous prime (78372037) and next prime (78372059).

It is a super-2 number, since 2×78372048² = 12284355815428608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78371997 and 78372015.

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, 816328 + ... + 816423.

Almost surely, 2^78372048 is an apocalyptic number.

It is an amenable number.

78372048 is an abundant number, since it is smaller than the sum of its proper divisors (124089200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78372048 is a wasteful number, since it uses less digits than its factorization.

78372048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632762 (or 1632756 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 78372048 is about 8852.7988794505. The cubic root of 78372048 is about 427.9441217411.

The spelling of 78372048 in words is "seventy-eight million, three hundred seventy-two thousand, forty-eight".