7097872040 has 32 divisors (see below), whose sum is σ = 18251671680. Its totient is φ = 2433556032.

The previous prime is 7097872039. The next prime is 7097872043. The reversal of 7097872040 is 402787907.

It is a junction number, because it is equal to n+sod(n) for n = 7097871982 and 7097872000.

It is not an unprimeable number, because it can be changed into a prime (7097872043) 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, 12674492 + ... + 12675051.

It is an arithmetic number, because the mean of its divisors is an integer number (570364740).

Almost surely, 2^7097872040 is an apocalyptic number.

7097872040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7097872040 is an abundant number, since it is smaller than the sum of its proper divisors (11153799640).

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

7097872040 is a wasteful number, since it uses less digits than its factorization.

7097872040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25349561 (or 25349557 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 44.

The square root of 7097872040 is about 84248.8696660080. The cubic root of 7097872040 is about 1921.8053079326.

The spelling of 7097872040 in words is "seven billion, ninety-seven million, eight hundred seventy-two thousand, forty".