70725413 has 16 divisors (see below), whose sum is σ = 79221120. Its totient is φ = 62596800.

The previous prime is 70725407. The next prime is 70725419. The reversal of 70725413 is 31452707.

It is an interprime number because it is at equal distance from previous prime (70725407) and next prime (70725419).

It is a cyclic number.

It is not a de Polignac number, because 70725413 - 2⁴ = 70725397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70725419) 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, 72656 + ... + 73622.

It is an arithmetic number, because the mean of its divisors is an integer number (4951320).

Almost surely, 2^70725413 is an apocalyptic number.

It is an amenable number.

70725413 is a deficient number, since it is larger than the sum of its proper divisors (8495707).

70725413 is a wasteful number, since it uses less digits than its factorization.

70725413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 70725413 is about 8409.8402481855. The cubic root of 70725413 is about 413.5472755747.

The spelling of 70725413 in words is "seventy million, seven hundred twenty-five thousand, four hundred thirteen".