70274149 has 4 divisors (see below), whose sum is σ = 76662720. Its totient is φ = 63885580.

The previous prime is 70274143. The next prime is 70274173. The reversal of 70274149 is 94147207.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 70274149 - 2²³ = 61885541 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 (70274143) 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, 3194269 + ... + 3194290.

It is an arithmetic number, because the mean of its divisors is an integer number (19165680).

Almost surely, 2^70274149 is an apocalyptic number.

It is an amenable number.

70274149 is a deficient number, since it is larger than the sum of its proper divisors (6388571).

70274149 is a wasteful number, since it uses less digits than its factorization.

70274149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6388570.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 70274149 is about 8382.9677918980. The cubic root of 70274149 is about 412.6658511535.

The spelling of 70274149 in words is "seventy million, two hundred seventy-four thousand, one hundred forty-nine".