70518040 has 32 divisors (see below), whose sum is σ = 168000480. Its totient is φ = 26547712.

The previous prime is 70518017. The next prime is 70518047. The reversal of 70518040 is 4081507.

It is a junction number, because it is equal to n+sod(n) for n = 70517996 and 70518014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70518047) 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, 51172 + ... + 52531.

It is an arithmetic number, because the mean of its divisors is an integer number (5250015).

Almost surely, 2^70518040 is an apocalyptic number.

It is an amenable number.

70518040 is an abundant number, since it is smaller than the sum of its proper divisors (97482440).

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

70518040 is a wasteful number, since it uses less digits than its factorization.

70518040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103731 (or 103727 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 70518040 is about 8397.5020095264. The cubic root of 70518040 is about 413.1426944891.

Adding to 70518040 its reverse (4081507), we get a palindrome (74599547).

The spelling of 70518040 in words is "seventy million, five hundred eighteen thousand, forty".