70427407 has 16 divisors (see below), whose sum is σ = 73846080. Its totient is φ = 67122432.

The previous prime is 70427377. The next prime is 70427501. The reversal of 70427407 is 70472407.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70427407 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 (70427207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421638 + ... + 421804.

It is an arithmetic number, because the mean of its divisors is an integer number (4615380).

Almost surely, 2^70427407 is an apocalyptic number.

70427407 is a deficient number, since it is larger than the sum of its proper divisors (3418673).

70427407 is a wasteful number, since it uses less digits than its factorization.

70427407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402.

The product of its (nonzero) digits is 10976, while the sum is 31.

The square root of 70427407 is about 8392.1038482612. The cubic root of 70427407 is about 412.9656219980.

The spelling of 70427407 in words is "seventy million, four hundred twenty-seven thousand, four hundred seven".