70391151 has 6 divisors (see below), whose sum is σ = 101676120. Its totient is φ = 46927428.

The previous prime is 70391119. The next prime is 70391179. The reversal of 70391151 is 15119307.

It is a happy number.

It is not a de Polignac number, because 70391151 - 2⁵ = 70391119 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70391851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3910611 + ... + 3910628.

It is an arithmetic number, because the mean of its divisors is an integer number (16946020).

Almost surely, 2^70391151 is an apocalyptic number.

70391151 is a deficient number, since it is larger than the sum of its proper divisors (31284969).

70391151 is a wasteful number, since it uses less digits than its factorization.

70391151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7821245 (or 7821242 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 27.

The square root of 70391151 is about 8389.9434443863. The cubic root of 70391151 is about 412.8947449903.

The spelling of 70391151 in words is "seventy million, three hundred ninety-one thousand, one hundred fifty-one".