73670040 has 64 divisors (see below), whose sum is σ = 245570400. Its totient is φ = 19645056.

The previous prime is 73670021. The next prime is 73670059. The reversal of 73670040 is 4007637.

It is an interprime number because it is at equal distance from previous prime (73670021) and next prime (73670059).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 73669986 and 73670013.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 33027 + ... + 35186.

Almost surely, 2^73670040 is an apocalyptic number.

It is an amenable number.

73670040 is an abundant number, since it is smaller than the sum of its proper divisors (171900360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73670040 is a wasteful number, since it uses less digits than its factorization.

73670040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68233 (or 68223 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 73670040 is about 8583.1253049224. The cubic root of 73670040 is about 419.2087142246.

Adding to 73670040 its reverse (4007637), we get a palindrome (77677677).

The spelling of 73670040 in words is "seventy-three million, six hundred seventy thousand, forty".