70418397 has 32 divisors (see below), whose sum is σ = 110315520. Its totient is φ = 39124800.

The previous prime is 70418393. The next prime is 70418401. The reversal of 70418397 is 79381407.

It is an interprime number because it is at equal distance from previous prime (70418393) and next prime (70418401).

It is not a de Polignac number, because 70418397 - 2² = 70418393 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70418393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167854 + ... + 168272.

It is an arithmetic number, because the mean of its divisors is an integer number (3447360).

Almost surely, 2^70418397 is an apocalyptic number.

It is an amenable number.

70418397 is a deficient number, since it is larger than the sum of its proper divisors (39897123).

70418397 is a wasteful number, since it uses less digits than its factorization.

70418397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 70418397 is about 8391.5670169522. The cubic root of 70418397 is about 412.9480105827.

The spelling of 70418397 in words is "seventy million, four hundred eighteen thousand, three hundred ninety-seven".