74378650 has 24 divisors (see below), whose sum is σ = 138572604. Its totient is φ = 29702400.

The previous prime is 74378639. The next prime is 74378653. The reversal of 74378650 is 5687347.

It can be written as a sum of positive squares in 6 ways, for example, as 37933281 + 36445369 = 6159^2 + 6037^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74378653) 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, 53970 + ... + 55330.

Almost surely, 2^74378650 is an apocalyptic number.

74378650 is a deficient number, since it is larger than the sum of its proper divisors (64193954).

74378650 is a wasteful number, since it uses less digits than its factorization.

74378650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466 (or 2461 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 74378650 is about 8624.3057691619. The cubic root of 74378650 is about 420.5485085965.

The spelling of 74378650 in words is "seventy-four million, three hundred seventy-eight thousand, six hundred fifty".