70434460 has 12 divisors (see below), whose sum is σ = 147912408. Its totient is φ = 28173776.

The previous prime is 70434437. The next prime is 70434467. The reversal of 70434460 is 6443407.

It is a super-2 number, since 2×70434460² = 9922026310983200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70434467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1760842 + ... + 1760881.

It is an arithmetic number, because the mean of its divisors is an integer number (12326034).

Almost surely, 2^70434460 is an apocalyptic number.

It is an amenable number.

70434460 is an abundant number, since it is smaller than the sum of its proper divisors (77477948).

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

70434460 is a wasteful number, since it uses less digits than its factorization.

70434460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521732 (or 3521730 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 70434460 is about 8392.5240541806. The cubic root of 70434460 is about 412.9794071111.

Adding to 70434460 its reverse (6443407), we get a palindrome (76877867).

The spelling of 70434460 in words is "seventy million, four hundred thirty-four thousand, four hundred sixty".