70980738 has 32 divisors (see below), whose sum is σ = 144794304. Its totient is φ = 23191872.

The previous prime is 70980733. The next prime is 70980773. The reversal of 70980738 is 83708907.

It is a self number, because there is not a number n which added to its sum of digits gives 70980738.

It is not an unprimeable number, because it can be changed into a prime (70980733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127156 + ... + 127712.

It is an arithmetic number, because the mean of its divisors is an integer number (4524822).

Almost surely, 2^70980738 is an apocalyptic number.

70980738 is an abundant number, since it is smaller than the sum of its proper divisors (73813566).

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

70980738 is a wasteful number, since it uses less digits than its factorization.

70980738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 70980738 is about 8425.0067062288. The cubic root of 70980738 is about 414.0443253435.

The spelling of 70980738 in words is "seventy million, nine hundred eighty thousand, seven hundred thirty-eight".