70981430 has 32 divisors (see below), whose sum is σ = 139866048. Its totient is φ = 25776000.

The previous prime is 70981423. The next prime is 70981441. The reversal of 70981430 is 3418907.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3455 + ... + 12405.

It is an arithmetic number, because the mean of its divisors is an integer number (4370814).

Almost surely, 2^70981430 is an apocalyptic number.

70981430 is a deficient number, since it is larger than the sum of its proper divisors (68884618).

70981430 is a wasteful number, since it uses less digits than its factorization.

70981430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9032.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 70981430 is about 8425.0477743453. The cubic root of 70981430 is about 414.0456708622.

The spelling of 70981430 in words is "seventy million, nine hundred eighty-one thousand, four hundred thirty".