70145676 has 60 divisors (see below), whose sum is σ = 191367792. Its totient is φ = 22362912.

The previous prime is 70145671. The next prime is 70145683. The reversal of 70145676 is 67654107.

It is a super-2 number, since 2×70145676² = 9840831722993952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 70145676.

It is not an unprimeable number, because it can be changed into a prime (70145671) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2746 + ... + 12158.

Almost surely, 2^70145676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70145676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95683896).

70145676 is an abundant number, since it is smaller than the sum of its proper divisors (121222116).

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

70145676 is a wasteful number, since it uses less digits than its factorization.

70145676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9452 (or 9441 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 70145676 is about 8375.3015468101. The cubic root of 70145676 is about 412.4142234869.

70145676 divided by its sum of digits (36) gives a palindrome (1948491).

The spelling of 70145676 in words is "seventy million, one hundred forty-five thousand, six hundred seventy-six".