67899465 has 40 divisors (see below), whose sum is σ = 122316480. Its totient is φ = 36034848.

The previous prime is 67899463. The next prime is 67899487. The reversal of 67899465 is 56499876.

It is not a de Polignac number, because 67899465 - 2¹ = 67899463 is a prime.

It is a super-2 number, since 2×67899465² = 9220674694572450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67899463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 145162 + ... + 145628.

It is an arithmetic number, because the mean of its divisors is an integer number (3057912).

Almost surely, 2^67899465 is an apocalyptic number.

It is an amenable number.

67899465 is a deficient number, since it is larger than the sum of its proper divisors (54417015).

67899465 is a wasteful number, since it uses less digits than its factorization.

67899465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843 (or 834 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 67899465 is about 8240.1131666986. The cubic root of 67899465 is about 407.9642594125.

The spelling of 67899465 in words is "sixty-seven million, eight hundred ninety-nine thousand, four hundred sixty-five".