70989050 has 48 divisors (see below), whose sum is σ = 144847872. Its totient is φ = 25670400.

The previous prime is 70989047. The next prime is 70989053. The reversal of 70989050 is 5098907.

It is an interprime number because it is at equal distance from previous prime (70989047) and next prime (70989053).

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 70988995 and 70989013.

It is not an unprimeable number, because it can be changed into a prime (70989053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185159 + ... + 185541.

It is an arithmetic number, because the mean of its divisors is an integer number (3017664).

Almost surely, 2^70989050 is an apocalyptic number.

It is a pronic number, being equal to 8425×8426.

70989050 is an abundant number, since it is smaller than the sum of its proper divisors (73858822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70989050 is a wasteful number, since it uses less digits than its factorization.

70989050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 70989050 is about 8425.4999851641. The cubic root of 70989050 is about 414.0604865453.

The spelling of 70989050 in words is "seventy million, nine hundred eighty-nine thousand, fifty".