679220062740 has 96 divisors (see below), whose sum is σ = 2119924235520. Its totient is φ = 180542908800.

The previous prime is 679220062687. The next prime is 679220062757. The reversal of 679220062740 is 47260022976.

It is a super-2 number, since 2×679220062740² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1854271 + ... + 2190150.

It is an arithmetic number, because the mean of its divisors is an integer number (22082544120).

Almost surely, 2^679220062740 is an apocalyptic number.

679220062740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

679220062740 is an abundant number, since it is smaller than the sum of its proper divisors (1440704172780).

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

679220062740 is a wasteful number, since it uses less digits than its factorization.

679220062740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044750 (or 4044742 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 679220062740 in words is "six hundred seventy-nine billion, two hundred twenty million, sixty-two thousand, seven hundred forty".