70487427 has 8 divisors (see below), whose sum is σ = 94862016. Its totient is φ = 46552232.

The previous prime is 70487411. The next prime is 70487437. The reversal of 70487427 is 72478407.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70487427 - 2⁴ = 70487411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70487437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109473 + ... + 110114.

It is an arithmetic number, because the mean of its divisors is an integer number (11857752).

Almost surely, 2^70487427 is an apocalyptic number.

70487427 is a deficient number, since it is larger than the sum of its proper divisors (24374589).

70487427 is a wasteful number, since it uses less digits than its factorization.

70487427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219697.

The product of its (nonzero) digits is 87808, while the sum is 39.

The square root of 70487427 is about 8395.6790672345. The cubic root of 70487427 is about 413.0829019031.

The spelling of 70487427 in words is "seventy million, four hundred eighty-seven thousand, four hundred twenty-seven".