70357434 has 48 divisors (see below), whose sum is σ = 164783808. Its totient is φ = 19967808.

The previous prime is 70357433. The next prime is 70357453. The reversal of 70357434 is 43475307.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70357395 and 70357404.

It is not an unprimeable number, because it can be changed into a prime (70357433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48382 + ... + 49814.

It is an arithmetic number, because the mean of its divisors is an integer number (3432996).

Almost surely, 2^70357434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70357434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82391904).

70357434 is an abundant number, since it is smaller than the sum of its proper divisors (94426374).

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

70357434 is a wasteful number, since it uses less digits than its factorization.

70357434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619 (or 1612 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 33.

The square root of 70357434 is about 8387.9338337877. The cubic root of 70357434 is about 412.8288096405.

The spelling of 70357434 in words is "seventy million, three hundred fifty-seven thousand, four hundred thirty-four".