70623625450 has 96 divisors (see below), whose sum is σ = 155955518208. Its totient is φ = 23290176000.

The previous prime is 70623625439. The next prime is 70623625451. The reversal of 70623625450 is 5452632607.

It is not an unprimeable number, because it can be changed into a prime (70623625451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 984192 + ... + 1053508.

It is an arithmetic number, because the mean of its divisors is an integer number (1624536648).

Almost surely, 2^70623625450 is an apocalyptic number.

70623625450 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70623625450 is an abundant number, since it is smaller than the sum of its proper divisors (85331892758).

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

70623625450 is a wasteful number, since it uses less digits than its factorization.

70623625450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69448 (or 69443 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 70623625450 in words is "seventy billion, six hundred twenty-three million, six hundred twenty-five thousand, four hundred fifty".