642382037 has 8 divisors (see below), whose sum is σ = 703510272. Its totient is φ = 581708800.

The previous prime is 642382021. The next prime is 642382067. The reversal of 642382037 is 730283246.

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

It is a cyclic number.

It is not a de Polignac number, because 642382037 - 2⁴ = 642382021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 642381988 and 642382006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642382067) 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, 110789 + ... + 116442.

It is an arithmetic number, because the mean of its divisors is an integer number (87938784).

Almost surely, 2^642382037 is an apocalyptic number.

It is an amenable number.

642382037 is a deficient number, since it is larger than the sum of its proper divisors (61128235).

642382037 is a wasteful number, since it uses less digits than its factorization.

642382037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227499.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 642382037 is about 25345.2566962736. The cubic root of 642382037 is about 862.8417071299.

The spelling of 642382037 in words is "six hundred forty-two million, three hundred eighty-two thousand, thirty-seven".