72650767 has 16 divisors (see below), whose sum is σ = 88492032. Its totient is φ = 58291200.

The previous prime is 72650759. The next prime is 72650783. The reversal of 72650767 is 76705627.

It is not a de Polignac number, because 72650767 - 2³ = 72650759 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 (72651767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2767 + ... + 12367.

It is an arithmetic number, because the mean of its divisors is an integer number (5530752).

Almost surely, 2^72650767 is an apocalyptic number.

72650767 is a deficient number, since it is larger than the sum of its proper divisors (15841265).

72650767 is a wasteful number, since it uses less digits than its factorization.

72650767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9678.

The product of its (nonzero) digits is 123480, while the sum is 40.

The square root of 72650767 is about 8523.5419280954. The cubic root of 72650767 is about 417.2663868094.

The spelling of 72650767 in words is "seventy-two million, six hundred fifty thousand, seven hundred sixty-seven".