67900745 has 16 divisors (see below), whose sum is σ = 91955520. Its totient is φ = 47678400.

The previous prime is 67900667. The next prime is 67900753. The reversal of 67900745 is 54700976.

It is not a de Polignac number, because 67900745 - 2¹⁰ = 67899721 is a prime.

It is a super-2 number, since 2×67900745² = 9221022343110050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67900699 and 67900708.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19691 + ... + 22880.

It is an arithmetic number, because the mean of its divisors is an integer number (5747220).

Almost surely, 2^67900745 is an apocalyptic number.

It is an amenable number.

67900745 is a deficient number, since it is larger than the sum of its proper divisors (24054775).

67900745 is a wasteful number, since it uses less digits than its factorization.

67900745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42616.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 67900745 is about 8240.1908351688. The cubic root of 67900745 is about 407.9668229622.

The spelling of 67900745 in words is "sixty-seven million, nine hundred thousand, seven hundred forty-five".