72670654749 has 64 divisors (see below), whose sum is σ = 130006536192. Its totient is φ = 34947763200.

The previous prime is 72670654741. The next prime is 72670654751. The reversal of 72670654749 is 94745607627.

It is not a de Polignac number, because 72670654749 - 2³ = 72670654741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72670654741) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 87864 + ... + 391230.

It is an arithmetic number, because the mean of its divisors is an integer number (2031352128).

Almost surely, 2^72670654749 is an apocalyptic number.

It is an amenable number.

72670654749 is a deficient number, since it is larger than the sum of its proper divisors (57335881443).

72670654749 is a wasteful number, since it uses less digits than its factorization.

72670654749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303466.

The product of its (nonzero) digits is 17781120, while the sum is 57.

The spelling of 72670654749 in words is "seventy-two billion, six hundred seventy million, six hundred fifty-four thousand, seven hundred forty-nine".