72620075 has 24 divisors (see below), whose sum is σ = 98803200. Its totient is φ = 52509600.

The previous prime is 72620063. The next prime is 72620083. The reversal of 72620075 is 57002627.

It is a happy number.

It is not a de Polignac number, because 72620075 - 2⁴ = 72620059 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54062 + ... + 55388.

It is an arithmetic number, because the mean of its divisors is an integer number (4116800).

Almost surely, 2^72620075 is an apocalyptic number.

72620075 is a deficient number, since it is larger than the sum of its proper divisors (26183125).

72620075 is a wasteful number, since it uses less digits than its factorization.

72620075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547 (or 1542 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 72620075 is about 8521.7413126661. The cubic root of 72620075 is about 417.2076191628.

The spelling of 72620075 in words is "seventy-two million, six hundred twenty thousand, seventy-five".