7452973947 has 6 divisors (see below), whose sum is σ = 9937497972. Its totient is φ = 4968549612.

The previous prime is 7452973937. The next prime is 7452973949. The reversal of 7452973947 is 7493792547.

It is a happy number.

It is not a de Polignac number, because 7452973947 - 2⁶ = 7452973883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7452973949) 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, 124608 + ... + 174450.

It is an arithmetic number, because the mean of its divisors is an integer number (1656249662).

Almost surely, 2^7452973947 is an apocalyptic number.

7452973947 is a deficient number, since it is larger than the sum of its proper divisors (2484524025).

7452973947 is an frugal number, since it uses more digits than its factorization.

7452973947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99689 (or 49846 counting only the distinct ones).

The product of its digits is 13335840, while the sum is 57.

The square root of 7452973947 is about 86330.6084016556. The cubic root of 7452973947 is about 1953.3341117314.

The spelling of 7452973947 in words is "seven billion, four hundred fifty-two million, nine hundred seventy-three thousand, nine hundred forty-seven".