7620000072 has 32 divisors (see below), whose sum is σ = 19493026080. Its totient is φ = 2480929920.

The previous prime is 7620000061. The next prime is 7620000133. The reversal of 7620000072 is 2700000267.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 7619999997 and 7620000051.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3690829 + ... + 3692892.

It is an arithmetic number, because the mean of its divisors is an integer number (609157065).

Almost surely, 2^7620000072 is an apocalyptic number.

It is an amenable number.

7620000072 is an abundant number, since it is smaller than the sum of its proper divisors (11873026008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7620000072 is a wasteful number, since it uses less digits than its factorization.

7620000072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7383773 (or 7383769 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 7620000072 is about 87292.6117835868. The cubic root of 7620000072 is about 1967.8182854065.

The spelling of 7620000072 in words is "seven billion, six hundred twenty million, seventy-two", and thus it is an aban number.