70434730 has 8 divisors (see below), whose sum is σ = 126782532. Its totient is φ = 28173888.

The previous prime is 70434677. The next prime is 70434739. The reversal of 70434730 is 3743407.

It can be written as a sum of positive squares in 2 ways, for example, as 66145689 + 4289041 = 8133^2 + 2071^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×70434730² = 9922102380345800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70434739) 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, 3521727 + ... + 3521746.

Almost surely, 2^70434730 is an apocalyptic number.

70434730 is a deficient number, since it is larger than the sum of its proper divisors (56347802).

70434730 is a wasteful number, since it uses less digits than its factorization.

70434730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7043480.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 70434730 is about 8392.5401399100. The cubic root of 70434730 is about 412.9799348087.

The spelling of 70434730 in words is "seventy million, four hundred thirty-four thousand, seven hundred thirty".