72562801 has 4 divisors (see below), whose sum is σ = 74250352. Its totient is φ = 70875252.

The previous prime is 72562771. The next prime is 72562807. The reversal of 72562801 is 10826527.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10826527 = 821 ⋅13187.

It is a cyclic number.

It is not a de Polignac number, because 72562801 - 2¹⁷ = 72431729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72562807) 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, 843711 + ... + 843796.

It is an arithmetic number, because the mean of its divisors is an integer number (18562588).

Almost surely, 2^72562801 is an apocalyptic number.

It is an amenable number.

72562801 is a deficient number, since it is larger than the sum of its proper divisors (1687551).

72562801 is a wasteful number, since it uses less digits than its factorization.

72562801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687550.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 72562801 is about 8518.3801863969. The cubic root of 72562801 is about 417.0979092155.

The spelling of 72562801 in words is "seventy-two million, five hundred sixty-two thousand, eight hundred one".