73669207 has 4 divisors (see below), whose sum is σ = 76872240. Its totient is φ = 70466176.

The previous prime is 73669171. The next prime is 73669217. The reversal of 73669207 is 70296637.

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-73669207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73669207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73669217) 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, 1601482 + ... + 1601527.

It is an arithmetic number, because the mean of its divisors is an integer number (19218060).

Almost surely, 2^73669207 is an apocalyptic number.

73669207 is a deficient number, since it is larger than the sum of its proper divisors (3203033).

73669207 is a wasteful number, since it uses less digits than its factorization.

73669207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203032.

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 73669207 is about 8583.0767793373. The cubic root of 73669207 is about 419.2071341966.

The spelling of 73669207 in words is "seventy-three million, six hundred sixty-nine thousand, two hundred seven".