70681254 has 64 divisors (see below), whose sum is σ = 177500160. Its totient is φ = 18295200.

The previous prime is 70681241. The next prime is 70681283. The reversal of 70681254 is 45218607.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 16429 + ... + 20279.

It is an arithmetic number, because the mean of its divisors is an integer number (2773440).

Almost surely, 2^70681254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70681254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88750080).

70681254 is an abundant number, since it is smaller than the sum of its proper divisors (106818906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70681254 is a wasteful number, since it uses less digits than its factorization.

70681254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3905.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 70681254 is about 8407.2144019289. The cubic root of 70681254 is about 413.4611884790.

The spelling of 70681254 in words is "seventy million, six hundred eighty-one thousand, two hundred fifty-four".