70491001 has 8 divisors (see below), whose sum is σ = 81696384. Its totient is φ = 59569440.

The previous prime is 70490971. The next prime is 70491011. The reversal of 70491001 is 10019407.

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

It is not a de Polignac number, because 70491001 - 2²⁵ = 36936569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70491011) 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, 70420 + ... + 71413.

It is an arithmetic number, because the mean of its divisors is an integer number (10212048).

Almost surely, 2^70491001 is an apocalyptic number.

70491001 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

70491001 is a deficient number, since it is larger than the sum of its proper divisors (11205383).

70491001 is a wasteful number, since it uses less digits than its factorization.

70491001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141911.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 70491001 is about 8395.8919121199. The cubic root of 70491001 is about 413.0898834477.

The spelling of 70491001 in words is "seventy million, four hundred ninety-one thousand, one".