70699902 has 64 divisors (see below), whose sum is σ = 179687424. Its totient is φ = 18040320.

The previous prime is 70699901. The next prime is 70699903. The reversal of 70699902 is 20999607.

It is an interprime number because it is at equal distance from previous prime (70699901) and next prime (70699903).

It is a super-2 number, since 2×70699902² = 9996952285619208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70699901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14838 + ... + 19014.

It is an arithmetic number, because the mean of its divisors is an integer number (2807616).

Almost surely, 2^70699902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70699902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89843712).

70699902 is an abundant number, since it is smaller than the sum of its proper divisors (108987522).

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

70699902 is a wasteful number, since it uses less digits than its factorization.

70699902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4233.

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 70699902 is about 8408.3233762742. The cubic root of 70699902 is about 413.4975467581.

The spelling of 70699902 in words is "seventy million, six hundred ninety-nine thousand, nine hundred two".