63901340 has 24 divisors (see below), whose sum is σ = 134428560. Its totient is φ = 25515648.

The previous prime is 63901339. The next prime is 63901361. The reversal of 63901340 is 4310936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10376 + ... + 15344.

It is an arithmetic number, because the mean of its divisors is an integer number (5601190).

Almost surely, 2^63901340 is an apocalyptic number.

It is an amenable number.

63901340 is an abundant number, since it is smaller than the sum of its proper divisors (70527220).

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

63901340 is a wasteful number, since it uses less digits than its factorization.

63901340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5621 (or 5619 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 63901340 is about 7993.8313717516. The cubic root of 63901340 is about 399.7943526243.

The spelling of 63901340 in words is "sixty-three million, nine hundred one thousand, three hundred forty".