70381436 has 6 divisors (see below), whose sum is σ = 123167520. Its totient is φ = 35190716.

The previous prime is 70381433. The next prime is 70381481. The reversal of 70381436 is 63418307.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70381433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8797676 + ... + 8797683.

It is an arithmetic number, because the mean of its divisors is an integer number (20527920).

Almost surely, 2^70381436 is an apocalyptic number.

It is an amenable number.

70381436 is a deficient number, since it is larger than the sum of its proper divisors (52786084).

70381436 is a wasteful number, since it uses less digits than its factorization.

70381436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17595363 (or 17595361 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 70381436 is about 8389.3644574545. The cubic root of 70381436 is about 412.8757489615.

The spelling of 70381436 in words is "seventy million, three hundred eighty-one thousand, four hundred thirty-six".