70078740 has 48 divisors (see below), whose sum is σ = 201530112. Its totient is φ = 18182016.

The previous prime is 70078733. The next prime is 70078741. The reversal of 70078740 is 4787007.

It is a super-2 number, since 2×70078740² = 9822059599975200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70078741) 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, 13564 + ... + 18003.

It is an arithmetic number, because the mean of its divisors is an integer number (4198544).

Almost surely, 2^70078740 is an apocalyptic number.

It is an amenable number.

70078740 is an abundant number, since it is smaller than the sum of its proper divisors (131451372).

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

70078740 is a wasteful number, since it uses less digits than its factorization.

70078740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31616 (or 31614 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 33.

The square root of 70078740 is about 8371.3045578333. The cubic root of 70078740 is about 412.2830006498.

The spelling of 70078740 in words is "seventy million, seventy-eight thousand, seven hundred forty".