70858997 has 8 divisors (see below), whose sum is σ = 77365152. Its totient is φ = 64363600.

The previous prime is 70858981. The next prime is 70859011. The reversal of 70858997 is 79985807.

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 70858997 - 2⁴ = 70858981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70858937) 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, 18143 + ... + 21699.

It is an arithmetic number, because the mean of its divisors is an integer number (9670644).

Almost surely, 2^70858997 is an apocalyptic number.

It is an amenable number.

70858997 is a deficient number, since it is larger than the sum of its proper divisors (6506155).

70858997 is a wasteful number, since it uses less digits than its factorization.

70858997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5379.

The product of its (nonzero) digits is 1270080, while the sum is 53.

The square root of 70858997 is about 8417.7786262173. The cubic root of 70858997 is about 413.8074769778.

The spelling of 70858997 in words is "seventy million, eight hundred fifty-eight thousand, nine hundred ninety-seven".