32172400703 has 4 divisors (see below), whose sum is σ = 34064894880. Its totient is φ = 30279906528.

The previous prime is 32172400697. The next prime is 32172400717. The reversal of 32172400703 is 30700427123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32172400703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32172400723) 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, 946247063 + ... + 946247096.

It is an arithmetic number, because the mean of its divisors is an integer number (8516223720).

Almost surely, 2^32172400703 is an apocalyptic number.

32172400703 is a deficient number, since it is larger than the sum of its proper divisors (1892494177).

32172400703 is a wasteful number, since it uses less digits than its factorization.

32172400703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892494176.

The product of its (nonzero) digits is 7056, while the sum is 29.

Adding to 32172400703 its reverse (30700427123), we get a palindrome (62872827826).

The spelling of 32172400703 in words is "thirty-two billion, one hundred seventy-two million, four hundred thousand, seven hundred three".