70541997 has 8 divisors (see below), whose sum is σ = 94935456. Its totient is φ = 46588272.

The previous prime is 70541983. The next prime is 70542001. The reversal of 70541997 is 79914507.

It is a happy number.

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

It is not a de Polignac number, because 70541997 - 2⁴ = 70541981 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70541917) 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, 109558 + ... + 110199.

It is an arithmetic number, because the mean of its divisors is an integer number (11866932).

Almost surely, 2^70541997 is an apocalyptic number.

It is an amenable number.

70541997 is a deficient number, since it is larger than the sum of its proper divisors (24393459).

70541997 is a wasteful number, since it uses less digits than its factorization.

70541997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219867.

The product of its (nonzero) digits is 79380, while the sum is 42.

The square root of 70541997 is about 8398.9283244947. The cubic root of 70541997 is about 413.1894746648.

The spelling of 70541997 in words is "seventy million, five hundred forty-one thousand, nine hundred ninety-seven".