72627626 has 4 divisors (see below), whose sum is σ = 108941442. Its totient is φ = 36313812.

The previous prime is 72627619. The next prime is 72627631. The reversal of 72627626 is 62672627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62672627 = 131 ⋅478417.

It can be written as a sum of positive squares in only one way, i.e., 50055625 + 22572001 = 7075^2 + 4751^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72627626.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18156905 + ... + 18156908.

Almost surely, 2^72627626 is an apocalyptic number.

72627626 is a deficient number, since it is larger than the sum of its proper divisors (36313816).

72627626 is a wasteful number, since it uses less digits than its factorization.

72627626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36313815.

The product of its digits is 84672, while the sum is 38.

The square root of 72627626 is about 8522.1843444037. The cubic root of 72627626 is about 417.2220790099. Note that the first 3 decimals are identical.

The spelling of 72627626 in words is "seventy-two million, six hundred twenty-seven thousand, six hundred twenty-six".