70422534 has 160 divisors (see below), whose sum is σ = 206369856. Its totient is φ = 17418240.

The previous prime is 70422533. The next prime is 70422559. The reversal of 70422534 is 43522407.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 70422498 and 70422507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70422533) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 250474 + ... + 250754.

Almost surely, 2^70422534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70422534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103184928).

70422534 is an abundant number, since it is smaller than the sum of its proper divisors (135947322).

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

70422534 is a wasteful number, since it uses less digits than its factorization.

70422534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 70422534 is about 8391.8135107973. The cubic root of 70422534 is about 412.9560971649.

The spelling of 70422534 in words is "seventy million, four hundred twenty-two thousand, five hundred thirty-four".