70274261 has 8 divisors (see below), whose sum is σ = 70788480. Its totient is φ = 69762528.

The previous prime is 70274249. The next prime is 70274327. The reversal of 70274261 is 16247207.

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 70274261 - 2²⁶ = 3165397 is a prime.

It is a super-2 number, since 2×70274261² = 9876943518192242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70274201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153545 + ... + 154001.

It is an arithmetic number, because the mean of its divisors is an integer number (8848560).

Almost surely, 2^70274261 is an apocalyptic number.

It is an amenable number.

70274261 is a deficient number, since it is larger than the sum of its proper divisors (514219).

70274261 is a wasteful number, since it uses less digits than its factorization.

70274261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 70274261 is about 8382.9744721071. The cubic root of 70274261 is about 412.6660703832. Note that the first 3 decimals are identical.

The spelling of 70274261 in words is "seventy million, two hundred seventy-four thousand, two hundred sixty-one".