761945140 has 24 divisors (see below), whose sum is σ = 1745547552. Its totient is φ = 277070880.

The previous prime is 761945137. The next prime is 761945141. The reversal of 761945140 is 41549167.

761945140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 761945140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761945141) 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, 1731474 + ... + 1731913.

It is an arithmetic number, because the mean of its divisors is an integer number (72731148).

Almost surely, 2^761945140 is an apocalyptic number.

It is an amenable number.

761945140 is an abundant number, since it is smaller than the sum of its proper divisors (983602412).

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

761945140 is a wasteful number, since it uses less digits than its factorization.

761945140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463407 (or 3463405 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 761945140 is about 27603.3537817418. The cubic root of 761945140 is about 913.3584150795.

The spelling of 761945140 in words is "seven hundred sixty-one million, nine hundred forty-five thousand, one hundred forty".