78051374 has 16 divisors (see below), whose sum is σ = 123645312. Its totient is φ = 36877368.

The previous prime is 78051371. The next prime is 78051377. The reversal of 78051374 is 47315087.

It is an interprime number because it is at equal distance from previous prime (78051371) and next prime (78051377).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78051371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6404 + ... + 14039.

It is an arithmetic number, because the mean of its divisors is an integer number (7727832).

Almost surely, 2^78051374 is an apocalyptic number.

78051374 is a deficient number, since it is larger than the sum of its proper divisors (45593938).

78051374 is a wasteful number, since it uses less digits than its factorization.

78051374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20551.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 78051374 is about 8834.6688675920. The cubic root of 78051374 is about 427.3596525259.

The spelling of 78051374 in words is "seventy-eight million, fifty-one thousand, three hundred seventy-four".