70902 has 32 divisors (see below), whose sum is σ = 171360. Its totient is φ = 21600.

The previous prime is 70901. The next prime is 70913. The reversal of 70902 is 20907.

Added to its reverse (20907) it gives a square (91809 = 303²).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 652 + ... + 752.

It is an arithmetic number, because the mean of its divisors is an integer number (5355).

2⁷⁰⁹⁰² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85680).

70902 is an abundant number, since it is smaller than the sum of its proper divisors (100458).

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

70902 is a wasteful number, since it uses less digits than its factorization.

70902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 70902 is about 266.2742946662. The cubic root of 70902 is about 41.3891170722.

Adding to 70902 its reverse (20907), we get a square (91809 = 303²).

The spelling of 70902 in words is "seventy thousand, nine hundred two".