72629513 has 4 divisors (see below), whose sum is σ = 79232208. Its totient is φ = 66026820.

The previous prime is 72629509. The next prime is 72629527. The reversal of 72629513 is 31592627.

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 72629513 - 2² = 72629509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72629503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3301331 + ... + 3301352.

It is an arithmetic number, because the mean of its divisors is an integer number (19808052).

Almost surely, 2^72629513 is an apocalyptic number.

It is an amenable number.

72629513 is a deficient number, since it is larger than the sum of its proper divisors (6602695).

72629513 is a wasteful number, since it uses less digits than its factorization.

72629513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6602694.

The product of its digits is 22680, while the sum is 35.

The square root of 72629513 is about 8522.2950547373. The cubic root of 72629513 is about 417.2256923790.

The spelling of 72629513 in words is "seventy-two million, six hundred twenty-nine thousand, five hundred thirteen".