73670775 has 24 divisors (see below), whose sum is σ = 128969424. Its totient is φ = 36979200.

The previous prime is 73670767. The next prime is 73670777. The reversal of 73670775 is 57707637.

It is not a de Polignac number, because 73670775 - 2³ = 73670767 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73670777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27616 + ... + 30165.

It is an arithmetic number, because the mean of its divisors is an integer number (5373726).

Almost surely, 2^73670775 is an apocalyptic number.

73670775 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

73670775 is a deficient number, since it is larger than the sum of its proper divisors (55298649).

73670775 is a wasteful number, since it uses less digits than its factorization.

73670775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57811 (or 57806 counting only the distinct ones).

The product of its (nonzero) digits is 216090, while the sum is 42.

The square root of 73670775 is about 8583.1681213873. The cubic root of 73670775 is about 419.2101083570.

The spelling of 73670775 in words is "seventy-three million, six hundred seventy thousand, seven hundred seventy-five".