65402642 has 8 divisors (see below), whose sum is σ = 98257536. Its totient is φ = 32650132.

The previous prime is 65402633. The next prime is 65402647. The reversal of 65402642 is 24620456.

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

It is not an unprimeable number, because it can be changed into a prime (65402647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23978 + ... + 26565.

It is an arithmetic number, because the mean of its divisors is an integer number (12282192).

Almost surely, 2^65402642 is an apocalyptic number.

65402642 is a deficient number, since it is larger than the sum of its proper divisors (32854894).

65402642 is a wasteful number, since it uses less digits than its factorization.

65402642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51192.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 65402642 is about 8087.1899940585. The cubic root of 65402642 is about 402.9010793132.

The spelling of 65402642 in words is "sixty-five million, four hundred two thousand, six hundred forty-two".