70049658 has 32 divisors (see below), whose sum is σ = 164444544. Its totient is φ = 19472832.

The previous prime is 70049627. The next prime is 70049659. The reversal of 70049658 is 85694007.

It is not an unprimeable number, because it can be changed into a prime (70049659) 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, 20985 + ... + 24092.

It is an arithmetic number, because the mean of its divisors is an integer number (5138892).

Almost surely, 2^70049658 is an apocalyptic number.

70049658 is an abundant number, since it is smaller than the sum of its proper divisors (94394886).

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

70049658 is a wasteful number, since it uses less digits than its factorization.

70049658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45126.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 70049658 is about 8369.5673723317. The cubic root of 70049658 is about 412.2259616049.

It can be divided in two parts, 70049 and 658, that added together give a palindrome (70707).

The spelling of 70049658 in words is "seventy million, forty-nine thousand, six hundred fifty-eight".