74721354 has 16 divisors (see below), whose sum is σ = 149536992. Its totient is φ = 24891408.

The previous prime is 74721343. The next prime is 74721359. The reversal of 74721354 is 45312747.

It is not an unprimeable number, because it can be changed into a prime (74721359) 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, 10392 + ... + 16044.

It is an arithmetic number, because the mean of its divisors is an integer number (9346062).

Almost surely, 2^74721354 is an apocalyptic number.

74721354 is an abundant number, since it is smaller than the sum of its proper divisors (74815638).

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

74721354 is a wasteful number, since it uses less digits than its factorization.

74721354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7861.

The product of its digits is 23520, while the sum is 33.

The square root of 74721354 is about 8644.1514331946. The cubic root of 74721354 is about 421.1934197738.

The spelling of 74721354 in words is "seventy-four million, seven hundred twenty-one thousand, three hundred fifty-four".