78572150 has 24 divisors (see below), whose sum is σ = 148209264. Its totient is φ = 30984800.

The previous prime is 78572149. The next prime is 78572159. The reversal of 78572150 is 5127587.

It is a self number, because there is not a number n which added to its sum of digits gives 78572150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78572159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7517 + ... + 14616.

It is an arithmetic number, because the mean of its divisors is an integer number (6175386).

Almost surely, 2^78572150 is an apocalyptic number.

78572150 is a deficient number, since it is larger than the sum of its proper divisors (69637114).

78572150 is a wasteful number, since it uses less digits than its factorization.

78572150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22216 (or 22211 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 78572150 is about 8864.0932982455. The cubic root of 78572150 is about 428.3080257101.

The spelling of 78572150 in words is "seventy-eight million, five hundred seventy-two thousand, one hundred fifty".