72626501 has 2 divisors, whose sum is σ = 72626502. Its totient is φ = 72626500.

The previous prime is 72626467. The next prime is 72626507. The reversal of 72626501 is 10562627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57988225 + 14638276 = 7615^2 + 3826^2 .

It is a cyclic number.

It is not a de Polignac number, because 72626501 - 2¹⁰ = 72625477 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72626507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36313250 + 36313251.

It is an arithmetic number, because the mean of its divisors is an integer number (36313251).

Almost surely, 2^72626501 is an apocalyptic number.

It is an amenable number.

72626501 is a deficient number, since it is larger than the sum of its proper divisors (1).

72626501 is an equidigital number, since it uses as much as digits as its factorization.

72626501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 72626501 is about 8522.1183399434. The cubic root of 72626501 is about 417.2199247458.

The spelling of 72626501 in words is "seventy-two million, six hundred twenty-six thousand, five hundred one".