7642330739 has 6 divisors (see below), whose sum is σ = 8118323964. Its totient is φ = 7192781600.

The previous prime is 7642330699. The next prime is 7642330757. The reversal of 7642330739 is 9370332467.

It is a happy number.

It is not a de Polignac number, because 7642330739 - 2⁸ = 7642330483 is a prime.

It is a super-2 number, since 2×7642330739² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7642330739.

It is not an unprimeable number, because it can be changed into a prime (7642330139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13221737 + ... + 13222314.

It is an arithmetic number, because the mean of its divisors is an integer number (1353053994).

Almost surely, 2^7642330739 is an apocalyptic number.

7642330739 is a deficient number, since it is larger than the sum of its proper divisors (475993225).

7642330739 is a wasteful number, since it uses less digits than its factorization.

7642330739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26444085 (or 26444068 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 44.

The square root of 7642330739 is about 87420.4251819905. The cubic root of 7642330739 is about 1969.7386633155.

The spelling of 7642330739 in words is "seven billion, six hundred forty-two million, three hundred thirty thousand, seven hundred thirty-nine".