74890377 has 6 divisors (see below), whose sum is σ = 108175002. Its totient is φ = 49926912.

The previous prime is 74890367. The next prime is 74890399. The reversal of 74890377 is 77309847.

It can be written as a sum of positive squares in only one way, i.e., 64256256 + 10634121 = 8016^2 + 3261^2 .

It is not a de Polignac number, because 74890377 - 2¹⁸ = 74628233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74890357) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4160568 + ... + 4160585.

It is an arithmetic number, because the mean of its divisors is an integer number (18029167).

Almost surely, 2^74890377 is an apocalyptic number.

It is an amenable number.

74890377 is a deficient number, since it is larger than the sum of its proper divisors (33284625).

74890377 is a wasteful number, since it uses less digits than its factorization.

74890377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8321159 (or 8321156 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 74890377 is about 8653.9226365851. The cubic root of 74890377 is about 421.5107666437.

It can be divided in two parts, 748 and 90377, that added together give a cube (91125 = 45³).

The spelling of 74890377 in words is "seventy-four million, eight hundred ninety thousand, three hundred seventy-seven".