79974001 has 4 divisors (see below), whose sum is σ = 84678372. Its totient is φ = 75269632.

The previous prime is 79973987. The next prime is 79974007. The reversal of 79974001 is 10047997.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73547776 + 6426225 = 8576^2 + 2535^2 .

It is a cyclic number.

It is not a de Polignac number, because 79974001 - 2¹⁵ = 79941233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79974007) 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, 2352160 + ... + 2352193.

It is an arithmetic number, because the mean of its divisors is an integer number (21169593).

Almost surely, 2^79974001 is an apocalyptic number.

It is an amenable number.

79974001 is a deficient number, since it is larger than the sum of its proper divisors (4704371).

79974001 is a wasteful number, since it uses less digits than its factorization.

79974001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4704370.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 79974001 is about 8942.8184036130. The cubic root of 79974001 is about 430.8402553260.

The spelling of 79974001 in words is "seventy-nine million, nine hundred seventy-four thousand, one".