74665706654 has 32 divisors (see below), whose sum is σ = 142269198336. Its totient is φ = 28541653920.

The previous prime is 74665706639. The next prime is 74665706657. The reversal of 74665706654 is 45660756647.

It is a self number, because there is not a number n which added to its sum of digits gives 74665706654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74665706657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4565822 + ... + 4582145.

It is an arithmetic number, because the mean of its divisors is an integer number (4445912448).

Almost surely, 2^74665706654 is an apocalyptic number.

74665706654 is a deficient number, since it is larger than the sum of its proper divisors (67603491682).

74665706654 is a wasteful number, since it uses less digits than its factorization.

74665706654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9148040.

The product of its (nonzero) digits is 25401600, while the sum is 56.

The spelling of 74665706654 in words is "seventy-four billion, six hundred sixty-five million, seven hundred six thousand, six hundred fifty-four".