99070940 has 24 divisors (see below), whose sum is σ = 218999760. Its totient is φ = 37542528.

The previous prime is 99070927. The next prime is 99070943. The reversal of 99070940 is 4907099.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 99070894 and 99070903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99070943) 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, 129977 + ... + 130736.

It is an arithmetic number, because the mean of its divisors is an integer number (9124990).

Almost surely, 2^99070940 is an apocalyptic number.

It is an amenable number.

99070940 is an abundant number, since it is smaller than the sum of its proper divisors (119928820).

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

99070940 is a wasteful number, since it uses less digits than its factorization.

99070940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260741 (or 260739 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 99070940 is about 9953.4386018099. The cubic root of 99070940 is about 462.7169705133.

The spelling of 99070940 in words is "ninety-nine million, seventy thousand, nine hundred forty".