70137949 has 8 divisors (see below), whose sum is σ = 84376640. Its totient is φ = 56954016.

The previous prime is 70137931. The next prime is 70137967. The reversal of 70137949 is 94973107.

It is an interprime number because it is at equal distance from previous prime (70137931) and next prime (70137967).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70137949 - 2⁵ = 70137917 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 (70137929) 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 7 ways as a sum of consecutive naturals, for example, 263544 + ... + 263809.

It is an arithmetic number, because the mean of its divisors is an integer number (10547080).

Almost surely, 2^70137949 is an apocalyptic number.

It is an amenable number.

70137949 is a deficient number, since it is larger than the sum of its proper divisors (14238691).

70137949 is a wasteful number, since it uses less digits than its factorization.

70137949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527379.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 70137949 is about 8374.8402372821. The cubic root of 70137949 is about 412.3990795659.

The spelling of 70137949 in words is "seventy million, one hundred thirty-seven thousand, nine hundred forty-nine".