70408027 has 4 divisors (see below), whose sum is σ = 72835920. Its totient is φ = 67980136.

The previous prime is 70408007. The next prime is 70408031. The reversal of 70408027 is 72080407.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70408027 - 2¹⁹ = 69883739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70407986 and 70408004.

It is not an unprimeable number, because it can be changed into a prime (70408007) 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, 1213903 + ... + 1213960.

It is an arithmetic number, because the mean of its divisors is an integer number (18208980).

Almost surely, 2^70408027 is an apocalyptic number.

70408027 is a deficient number, since it is larger than the sum of its proper divisors (2427893).

70408027 is a wasteful number, since it uses less digits than its factorization.

70408027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427892.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 70408027 is about 8390.9491119897. The cubic root of 70408027 is about 412.9277389810.

The spelling of 70408027 in words is "seventy million, four hundred eight thousand, twenty-seven".