74256078 has 16 divisors (see below), whose sum is σ = 159936336. Its totient is φ = 22848000.

The previous prime is 74256059. The next prime is 74256089. The reversal of 74256078 is 87065247.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475923 + ... + 476078.

It is an arithmetic number, because the mean of its divisors is an integer number (9996021).

Almost surely, 2^74256078 is an apocalyptic number.

74256078 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

74256078 is an abundant number, since it is smaller than the sum of its proper divisors (85680258).

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

74256078 is a wasteful number, since it uses less digits than its factorization.

74256078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952019.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 74256078 is about 8617.1966439208. The cubic root of 74256078 is about 420.3173678342.

The spelling of 74256078 in words is "seventy-four million, two hundred fifty-six thousand, seventy-eight".