72462669 has 4 divisors (see below), whose sum is σ = 96616896. Its totient is φ = 48308444.

The previous prime is 72462667. The next prime is 72462701. The reversal of 72462669 is 96626427.

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 not a de Polignac number, because 72462669 - 2¹ = 72462667 is a prime.

It is a super-2 number, since 2×72462669² = 10501676797207122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72462669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72462667) 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, 12077109 + ... + 12077114.

It is an arithmetic number, because the mean of its divisors is an integer number (24154224).

Almost surely, 2^72462669 is an apocalyptic number.

It is an amenable number.

72462669 is a deficient number, since it is larger than the sum of its proper divisors (24154227).

72462669 is a wasteful number, since it uses less digits than its factorization.

72462669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24154226.

The product of its digits is 217728, while the sum is 42.

The square root of 72462669 is about 8512.5007488986. The cubic root of 72462669 is about 416.9059647988.

The spelling of 72462669 in words is "seventy-two million, four hundred sixty-two thousand, six hundred sixty-nine".