32742457 has 8 divisors (see below), whose sum is σ = 35844480. Its totient is φ = 29661360.

The previous prime is 32742439. The next prime is 32742461. The reversal of 32742457 is 75424723.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32742457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32742407) 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, 1857 + ... + 8302.

It is an arithmetic number, because the mean of its divisors is an integer number (4480560).

Almost surely, 2^32742457 is an apocalyptic number.

It is an amenable number.

32742457 is a deficient number, since it is larger than the sum of its proper divisors (3102023).

32742457 is a wasteful number, since it uses less digits than its factorization.

32742457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10463.

The product of its digits is 47040, while the sum is 34.

The square root of 32742457 is about 5722.1024982082. The cubic root of 32742457 is about 319.9168305993.

The spelling of 32742457 in words is "thirty-two million, seven hundred forty-two thousand, four hundred fifty-seven".