70813460 has 12 divisors (see below), whose sum is σ = 148708308. Its totient is φ = 28325376.

The previous prime is 70813453. The next prime is 70813469. The reversal of 70813460 is 6431807.

It can be written as a sum of positive squares in 2 ways, for example, as 33895684 + 36917776 = 5822^2 + 6076^2 .

It is a super-2 number, since 2×70813460² = 10029092234343200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70813469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1770317 + ... + 1770356.

It is an arithmetic number, because the mean of its divisors is an integer number (12392359).

Almost surely, 2^70813460 is an apocalyptic number.

It is an amenable number.

70813460 is an abundant number, since it is smaller than the sum of its proper divisors (77894848).

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

70813460 is a wasteful number, since it uses less digits than its factorization.

70813460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540682 (or 3540680 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 70813460 is about 8415.0733805476. The cubic root of 70813460 is about 413.7188145643.

The spelling of 70813460 in words is "seventy million, eight hundred thirteen thousand, four hundred sixty".