72650413 has 4 divisors (see below), whose sum is σ = 79255008. Its totient is φ = 66045820.

The previous prime is 72650407. The next prime is 72650419. The reversal of 72650413 is 31405627.

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 an interprime number because it is at equal distance from previous prime (72650407) and next prime (72650419).

It is a cyclic number.

It is not a de Polignac number, because 72650413 - 2¹³ = 72642221 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 (72650419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3302281 + ... + 3302302.

It is an arithmetic number, because the mean of its divisors is an integer number (19813752).

Almost surely, 2^72650413 is an apocalyptic number.

It is an amenable number.

72650413 is a deficient number, since it is larger than the sum of its proper divisors (6604595).

72650413 is a wasteful number, since it uses less digits than its factorization.

72650413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6604594.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 72650413 is about 8523.5211620550. The cubic root of 72650413 is about 417.2657090807.

The spelling of 72650413 in words is "seventy-two million, six hundred fifty thousand, four hundred thirteen".