70348631 has 8 divisors (see below), whose sum is σ = 71515200. Its totient is φ = 69189120.

The previous prime is 70348609. The next prime is 70348639. The reversal of 70348631 is 13684307.

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

It is a cyclic number.

It is not a de Polignac number, because 70348631 - 2¹⁸ = 70086487 is a prime.

It is a super-2 number, since 2×70348631² = 9897859767148322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70348639) 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, 20615 + ... + 23783.

It is an arithmetic number, because the mean of its divisors is an integer number (8939400).

Almost surely, 2^70348631 is an apocalyptic number.

70348631 is a deficient number, since it is larger than the sum of its proper divisors (1166569).

70348631 is a wasteful number, since it uses less digits than its factorization.

70348631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3529.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 70348631 is about 8387.4090755131. The cubic root of 70348631 is about 412.8115914477.

The spelling of 70348631 in words is "seventy million, three hundred forty-eight thousand, six hundred thirty-one".