74720354 has 16 divisors (see below), whose sum is σ = 117884160. Its totient is φ = 35471280.

The previous prime is 74720311. The next prime is 74720357. The reversal of 74720354 is 45302747.

It is a self number, because there is not a number n which added to its sum of digits gives 74720354.

It is not an unprimeable number, because it can be changed into a prime (74720357) 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, 8084 + ... + 14655.

It is an arithmetic number, because the mean of its divisors is an integer number (7367760).

Almost surely, 2^74720354 is an apocalyptic number.

74720354 is a deficient number, since it is larger than the sum of its proper divisors (43163806).

74720354 is a wasteful number, since it uses less digits than its factorization.

74720354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22825.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 74720354 is about 8644.0935904235. The cubic root of 74720354 is about 421.1915408139.

The spelling of 74720354 in words is "seventy-four million, seven hundred twenty thousand, three hundred fifty-four".