70887093 has 8 divisors (see below), whose sum is σ = 100075968. Its totient is φ = 44478144.

The previous prime is 70887071. The next prime is 70887121. The reversal of 70887093 is 39078807.

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

It is not a de Polignac number, because 70887093 - 2⁶ = 70887029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70887053) 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, 694921 + ... + 695022.

It is an arithmetic number, because the mean of its divisors is an integer number (12509496).

Almost surely, 2^70887093 is an apocalyptic number.

It is an amenable number.

70887093 is a deficient number, since it is larger than the sum of its proper divisors (29188875).

70887093 is a wasteful number, since it uses less digits than its factorization.

70887093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389963.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 70887093 is about 8419.4473096516. The cubic root of 70887093 is about 413.8621620993.

The spelling of 70887093 in words is "seventy million, eight hundred eighty-seven thousand, ninety-three".