70434740 has 48 divisors (see below), whose sum is σ = 163441152. Its totient is φ = 25360896.

The previous prime is 70434739. The next prime is 70434751. The reversal of 70434740 is 4743407.

It is a super-2 number, since 2×70434740² = 9922105197735200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3317 + ... + 12323.

It is an arithmetic number, because the mean of its divisors is an integer number (3405024).

Almost surely, 2^70434740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70434740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81720576).

70434740 is an abundant number, since it is smaller than the sum of its proper divisors (93006412).

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

70434740 is a wasteful number, since it uses less digits than its factorization.

70434740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9056 (or 9054 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 70434740 is about 8392.5407356771. The cubic root of 70434740 is about 412.9799543531.

The spelling of 70434740 in words is "seventy million, four hundred thirty-four thousand, seven hundred forty".