70408371 has 8 divisors (see below), whose sum is σ = 102412224. Its totient is φ = 42671720.

The previous prime is 70408367. The next prime is 70408381. The reversal of 70408371 is 17380407.

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 not a de Polignac number, because 70408371 - 2² = 70408367 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70408381) 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, 1066761 + ... + 1066826.

It is an arithmetic number, because the mean of its divisors is an integer number (12801528).

Almost surely, 2^70408371 is an apocalyptic number.

70408371 is a deficient number, since it is larger than the sum of its proper divisors (32003853).

70408371 is a wasteful number, since it uses less digits than its factorization.

70408371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133601.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 70408371 is about 8390.9696102417. The cubic root of 70408371 is about 412.9284114749.

Adding to 70408371 its reverse (17380407), we get a palindrome (87788778).

The spelling of 70408371 in words is "seventy million, four hundred eight thousand, three hundred seventy-one".