72469501 has 8 divisors (see below), whose sum is σ = 78272600. Its totient is φ = 66699072.

The previous prime is 72469493. The next prime is 72469513. The reversal of 72469501 is 10596427.

It can be written as a sum of positive squares in 4 ways, for example, as 13579225 + 58890276 = 3685^2 + 7674^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72469501 - 2³ = 72469493 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 (72469601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3450 + ... + 12523.

It is an arithmetic number, because the mean of its divisors is an integer number (9784075).

Almost surely, 2^72469501 is an apocalyptic number.

It is an amenable number.

72469501 is a deficient number, since it is larger than the sum of its proper divisors (5803099).

72469501 is a wasteful number, since it uses less digits than its factorization.

72469501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16335.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 72469501 is about 8512.9020316224. The cubic root of 72469501 is about 416.9190667730.

It can be divided in two parts, 724 and 69501, that added together give a square (70225 = 265²).

The spelling of 72469501 in words is "seventy-two million, four hundred sixty-nine thousand, five hundred one".