70037481 has 8 divisors (see below), whose sum is σ = 93539584. Its totient is φ = 46613520.

The previous prime is 70037479. The next prime is 70037503. The reversal of 70037481 is 18473007.

It is a happy number.

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

It is not a de Polignac number, because 70037481 - 2¹ = 70037479 is a prime.

It is a super-2 number, since 2×70037481² = 9810497489650722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70037431) 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, 17410 + ... + 21051.

It is an arithmetic number, because the mean of its divisors is an integer number (11692448).

Almost surely, 2^70037481 is an apocalyptic number.

It is an amenable number.

70037481 is a deficient number, since it is larger than the sum of its proper divisors (23502103).

70037481 is a wasteful number, since it uses less digits than its factorization.

70037481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39071.

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

The square root of 70037481 is about 8368.8398837593. The cubic root of 70037481 is about 412.2020739488.

The spelling of 70037481 in words is "seventy million, thirty-seven thousand, four hundred eighty-one".