79372001 has 4 divisors (see below), whose sum is σ = 79815600. Its totient is φ = 78928404.

The previous prime is 79371979. The next prime is 79372009. The reversal of 79372001 is 10027397.

It is a happy number.

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-79372001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79372009) 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, 221531 + ... + 221888.

It is an arithmetic number, because the mean of its divisors is an integer number (19953900).

Almost surely, 2^79372001 is an apocalyptic number.

It is an amenable number.

79372001 is a deficient number, since it is larger than the sum of its proper divisors (443599).

79372001 is a wasteful number, since it uses less digits than its factorization.

79372001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443598.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 79372001 is about 8909.0965310743. The cubic root of 79372001 is about 429.7564891304.

Adding to 79372001 its reverse (10027397), we get a palindrome (89399398).

The spelling of 79372001 in words is "seventy-nine million, three hundred seventy-two thousand, one".