70387141 has 8 divisors (see below), whose sum is σ = 77007744. Its totient is φ = 63803520.

The previous prime is 70387139. The next prime is 70387151. The reversal of 70387141 is 14178307.

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

It is not a de Polignac number, because 70387141 - 2¹ = 70387139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70387151) 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, 5181 + ... + 12946.

It is an arithmetic number, because the mean of its divisors is an integer number (9625968).

Almost surely, 2^70387141 is an apocalyptic number.

It is an amenable number.

70387141 is a deficient number, since it is larger than the sum of its proper divisors (6620603).

70387141 is a wasteful number, since it uses less digits than its factorization.

70387141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18491.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 70387141 is about 8389.7044644016. The cubic root of 70387141 is about 412.8869043297.

The spelling of 70387141 in words is "seventy million, three hundred eighty-seven thousand, one hundred forty-one".