70761378 has 16 divisors (see below), whose sum is σ = 149847840. Its totient is φ = 22199616.

The previous prime is 70761371. The next prime is 70761433. The reversal of 70761378 is 87316707.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70761371) 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, 346768 + ... + 346971.

It is an arithmetic number, because the mean of its divisors is an integer number (9365490).

Almost surely, 2^70761378 is an apocalyptic number.

70761378 is an abundant number, since it is smaller than the sum of its proper divisors (79086462).

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

70761378 is a wasteful number, since it uses less digits than its factorization.

70761378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693761.

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 70761378 is about 8411.9782453356. The cubic root of 70761378 is about 413.6173621568.

The spelling of 70761378 in words is "seventy million, seven hundred sixty-one thousand, three hundred seventy-eight".