63745402 has 8 divisors (see below), whose sum is σ = 109277856. Its totient is φ = 27319452.

The previous prime is 63745387. The next prime is 63745417. The reversal of 63745402 is 20454736.

It is an interprime number because it is at equal distance from previous prime (63745387) and next prime (63745417).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×63745402² = 8126952552283208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2276608 + ... + 2276635.

It is an arithmetic number, because the mean of its divisors is an integer number (13659732).

Almost surely, 2^63745402 is an apocalyptic number.

63745402 is a deficient number, since it is larger than the sum of its proper divisors (45532454).

63745402 is a wasteful number, since it uses less digits than its factorization.

63745402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4553252.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 63745402 is about 7984.0717682145. The cubic root of 63745402 is about 399.4688825979.

The spelling of 63745402 in words is "sixty-three million, seven hundred forty-five thousand, four hundred two".