7449902712 has 96 divisors (see below), whose sum is σ = 23337175680. Its totient is φ = 2102886720.

The previous prime is 7449902701. The next prime is 7449902723. The reversal of 7449902712 is 2172099447.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7449902701) and next prime (7449902723).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47214 + ... + 130877.

It is an arithmetic number, because the mean of its divisors is an integer number (243095580).

Almost surely, 2^7449902712 is an apocalyptic number.

7449902712 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7449902712 is an abundant number, since it is smaller than the sum of its proper divisors (15887272968).

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

7449902712 is a wasteful number, since it uses less digits than its factorization.

7449902712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178193 (or 178186 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 7449902712 is about 86312.8189320683. The cubic root of 7449902712 is about 1953.0657637150.

The spelling of 7449902712 in words is "seven billion, four hundred forty-nine million, nine hundred two thousand, seven hundred twelve".