70470740 has 24 divisors (see below), whose sum is σ = 148207752. Its totient is φ = 28146560.

The previous prime is 70470731. The next prime is 70470749. The reversal of 70470740 is 4707407.

It is an interprime number because it is at equal distance from previous prime (70470731) and next prime (70470749).

It can be written as a sum of positive squares in 4 ways, for example, as 15888196 + 54582544 = 3986^2 + 7388^2 .

It is a super-2 number, since 2×70470740² = 9932250392295200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70470749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13730 + ... + 18150.

It is an arithmetic number, because the mean of its divisors is an integer number (6175323).

Almost surely, 2^70470740 is an apocalyptic number.

It is an amenable number.

70470740 is an abundant number, since it is smaller than the sum of its proper divisors (77737012).

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

70470740 is a wasteful number, since it uses less digits than its factorization.

70470740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5227 (or 5225 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 70470740 is about 8394.6852234018. The cubic root of 70470740 is about 413.0503019596.

The spelling of 70470740 in words is "seventy million, four hundred seventy thousand, seven hundred forty".