70980631 has 8 divisors (see below), whose sum is σ = 72072000. Its totient is φ = 69894240.

The previous prime is 70980629. The next prime is 70980641. The reversal of 70980631 is 13608907.

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 70980631 - 2¹ = 70980629 is a prime.

It is a super-2 number, since 2×70980631² = 10076499954316322, 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 (70980641) 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, 35445 + ... + 37393.

It is an arithmetic number, because the mean of its divisors is an integer number (9009000).

Almost surely, 2^70980631 is an apocalyptic number.

70980631 is a deficient number, since it is larger than the sum of its proper divisors (1091369).

70980631 is a wasteful number, since it uses less digits than its factorization.

70980631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 70980631 is about 8425.0003560831. Note that the first 3 decimals coincide. The cubic root of 70980631 is about 414.0441172928.

It can be divided in two parts, 70980 and 631, that multiplied together give a triangular number (44788380 = T₉₄₆₄).

The spelling of 70980631 in words is "seventy million, nine hundred eighty thousand, six hundred thirty-one".