7497423942 has 16 divisors (see below), whose sum is σ = 15646798080. Its totient is φ = 2390482952.

The previous prime is 7497423887. The next prime is 7497423949. The reversal of 7497423942 is 2493247947.

It is a super-2 number, since 2×7497423942² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7497423949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27164442 + ... + 27164717.

It is an arithmetic number, because the mean of its divisors is an integer number (977924880).

Almost surely, 2^7497423942 is an apocalyptic number.

7497423942 is an abundant number, since it is smaller than the sum of its proper divisors (8149374138).

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

7497423942 is a wasteful number, since it uses less digits than its factorization.

7497423942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54329187.

The product of its digits is 3048192, while the sum is 51.

The square root of 7497423942 is about 86587.6662233138. Note that the first 3 decimals coincide. The cubic root of 7497423942 is about 1957.2096854519.

The spelling of 7497423942 in words is "seven billion, four hundred ninety-seven million, four hundred twenty-three thousand, nine hundred forty-two".