74480797 has 4 divisors (see below), whose sum is σ = 75378240. Its totient is φ = 73583356.

The previous prime is 74480767. The next prime is 74480803. The reversal of 74480797 is 79708447.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74480797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74480737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448597 + ... + 448762.

It is an arithmetic number, because the mean of its divisors is an integer number (18844560).

Almost surely, 2^74480797 is an apocalyptic number.

It is an amenable number.

74480797 is a deficient number, since it is larger than the sum of its proper divisors (897443).

74480797 is an equidigital number, since it uses as much as digits as its factorization.

74480797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897442.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 74480797 is about 8630.2257792018. The cubic root of 74480797 is about 420.7409388988.

The spelling of 74480797 in words is "seventy-four million, four hundred eighty thousand, seven hundred ninety-seven".