78030944 has 24 divisors (see below), whose sum is σ = 153838440. Its totient is φ = 38960896.

The previous prime is 78030919. The next prime is 78030961. The reversal of 78030944 is 44903087.

It is a super-2 number, since 2×78030944² = 12177656443062272, 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 3 ways as a sum of consecutive naturals, for example, 31412 + ... + 33804.

It is an arithmetic number, because the mean of its divisors is an integer number (6409935).

Almost surely, 2^78030944 is an apocalyptic number.

It is an amenable number.

78030944 is a deficient number, since it is larger than the sum of its proper divisors (75807496).

78030944 is a wasteful number, since it uses less digits than its factorization.

78030944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422 (or 3414 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 78030944 is about 8833.5125516411. The cubic root of 78030944 is about 427.3223620460.

The spelling of 78030944 in words is "seventy-eight million, thirty thousand, nine hundred forty-four".