7621386974 has 8 divisors (see below), whose sum is σ = 11463231648. Its totient is φ = 3800309760.

The previous prime is 7621386923. The next prime is 7621386991. The reversal of 7621386974 is 4796831267.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5190947 + ... + 5192414.

It is an arithmetic number, because the mean of its divisors is an integer number (1432903956).

Almost surely, 2^7621386974 is an apocalyptic number.

7621386974 is a deficient number, since it is larger than the sum of its proper divisors (3841844674).

7621386974 is a wasteful number, since it uses less digits than its factorization.

7621386974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10383730.

The product of its digits is 3048192, while the sum is 53.

The square root of 7621386974 is about 87300.5554048770. Note that the first 3 decimals coincide. The cubic root of 7621386974 is about 1967.9376644760.

The spelling of 7621386974 in words is "seven billion, six hundred twenty-one million, three hundred eighty-six thousand, nine hundred seventy-four".