74401497 has 24 divisors (see below), whose sum is σ = 112030464. Its totient is φ = 49342608.

The previous prime is 74401493. The next prime is 74401507. The reversal of 74401497 is 79410447.

It is not a de Polignac number, because 74401497 - 2² = 74401493 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (74401493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53503 + ... + 54875.

It is an arithmetic number, because the mean of its divisors is an integer number (4667936).

Almost surely, 2^74401497 is an apocalyptic number.

It is an amenable number.

74401497 is a deficient number, since it is larger than the sum of its proper divisors (37628967).

74401497 is a wasteful number, since it uses less digits than its factorization.

74401497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611 (or 1599 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 74401497 is about 8625.6302378435. The cubic root of 74401497 is about 420.5915643575.

The spelling of 74401497 in words is "seventy-four million, four hundred one thousand, four hundred ninety-seven".