74401481 has 32 divisors (see below), whose sum is σ = 99145728. Its totient is φ = 54109440.

The previous prime is 74401477. The next prime is 74401493. The reversal of 74401481 is 18410447.

It is not a de Polignac number, because 74401481 - 2² = 74401477 is a prime.

It is a super-2 number, since 2×74401481² = 11071160749986722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74401421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75665 + ... + 76641.

It is an arithmetic number, because the mean of its divisors is an integer number (3098304).

Almost surely, 2^74401481 is an apocalyptic number.

It is an amenable number.

74401481 is a deficient number, since it is larger than the sum of its proper divisors (24744247).

74401481 is a wasteful number, since it uses less digits than its factorization.

74401481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 74401481 is about 8625.6293103750. The cubic root of 74401481 is about 420.5915342082.

The spelling of 74401481 in words is "seventy-four million, four hundred one thousand, four hundred eighty-one".