70403407 has 8 divisors (see below), whose sum is σ = 71207136. Its totient is φ = 69603072.

The previous prime is 70403383. The next prime is 70403413. The reversal of 70403407 is 70430407.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70403407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70403467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81723 + ... + 82579.

It is an arithmetic number, because the mean of its divisors is an integer number (8900892).

Almost surely, 2^70403407 is an apocalyptic number.

70403407 is a deficient number, since it is larger than the sum of its proper divisors (803729).

70403407 is a wasteful number, since it uses less digits than its factorization.

70403407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 70403407 is about 8390.6738108450. The cubic root of 70403407 is about 412.9187070189.

Subtracting 70403407 from its reverse (70430407), we obtain a cube (27000 = 30³).

The spelling of 70403407 in words is "seventy million, four hundred three thousand, four hundred seven".