70121352 has 48 divisors (see below), whose sum is σ = 203927760. Its totient is φ = 20034336.

The previous prime is 70121341. The next prime is 70121369. The reversal of 70121352 is 25312107.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28638 + ... + 30989.

It is an arithmetic number, because the mean of its divisors is an integer number (4248495).

Almost surely, 2^70121352 is an apocalyptic number.

It is an amenable number.

70121352 is an abundant number, since it is smaller than the sum of its proper divisors (133806408).

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

70121352 is a wasteful number, since it uses less digits than its factorization.

70121352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59650 (or 59639 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 70121352 is about 8373.8492940821. The cubic root of 70121352 is about 412.3665478311.

Adding to 70121352 its reverse (25312107), we get a palindrome (95433459).

The spelling of 70121352 in words is "seventy million, one hundred twenty-one thousand, three hundred fifty-two".