7407726645 has 16 divisors (see below), whose sum is σ = 12929850432. Its totient is φ = 3591624960.

The previous prime is 7407726629. The next prime is 7407726671. The reversal of 7407726645 is 5466277047.

It is a happy number.

It is not a de Polignac number, because 7407726645 - 2⁴ = 7407726629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7407726594 and 7407726603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22447492 + ... + 22447821.

It is an arithmetic number, because the mean of its divisors is an integer number (808115652).

Almost surely, 2^7407726645 is an apocalyptic number.

It is an amenable number.

7407726645 is a deficient number, since it is larger than the sum of its proper divisors (5522123787).

7407726645 is a wasteful number, since it uses less digits than its factorization.

7407726645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44895332.

The product of its (nonzero) digits is 1975680, while the sum is 48.

The square root of 7407726645 is about 86068.1511652249. The cubic root of 7407726645 is about 1949.3731620978.

The spelling of 7407726645 in words is "seven billion, four hundred seven million, seven hundred twenty-six thousand, six hundred forty-five".