72406951 has 2 divisors, whose sum is σ = 72406952. Its totient is φ = 72406950.

The previous prime is 72406933. The next prime is 72406963. The reversal of 72406951 is 15960427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72406951 - 2¹⁹ = 71882663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72406651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36203475 + 36203476.

It is an arithmetic number, because the mean of its divisors is an integer number (36203476).

Almost surely, 2^72406951 is an apocalyptic number.

72406951 is a deficient number, since it is larger than the sum of its proper divisors (1).

72406951 is an equidigital number, since it uses as much as digits as its factorization.

72406951 is an evil number, because the sum of its binary digits is even.

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

The square root of 72406951 is about 8509.2274032370. The cubic root of 72406951 is about 416.7990816124.

The spelling of 72406951 in words is "seventy-two million, four hundred six thousand, nine hundred fifty-one".