7620745408 has 14 divisors (see below), whose sum is σ = 15122416796. Its totient is φ = 3810372672.

The previous prime is 7620745403. The next prime is 7620745427. The reversal of 7620745408 is 8045470267.

It is not an unprimeable number, because it can be changed into a prime (7620745403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59537010 + ... + 59537137.

Almost surely, 2^7620745408 is an apocalyptic number.

It is an amenable number.

7620745408 is a deficient number, since it is larger than the sum of its proper divisors (7501671388).

7620745408 is a wasteful number, since it uses less digits than its factorization.

7620745408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119074159 (or 119074149 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 43.

The square root of 7620745408 is about 87296.8808606585. The cubic root of 7620745408 is about 1967.8824427984.

The spelling of 7620745408 in words is "seven billion, six hundred twenty million, seven hundred forty-five thousand, four hundred eight".