73768971 has 4 divisors (see below), whose sum is σ = 98358632. Its totient is φ = 49179312.

The previous prime is 73768969. The next prime is 73768973. The reversal of 73768971 is 17986737.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17986737 = 3 ⋅5995579.

It is an interprime number because it is at equal distance from previous prime (73768969) and next prime (73768973).

It is not a de Polignac number, because 73768971 - 2¹ = 73768969 is a prime.

It is a super-2 number, since 2×73768971² = 10883722164797682, which contains 22 as substring.

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 73768971.

It is not an unprimeable number, because it can be changed into a prime (73768973) 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, 12294826 + ... + 12294831.

It is an arithmetic number, because the mean of its divisors is an integer number (24589658).

Almost surely, 2^73768971 is an apocalyptic number.

73768971 is a deficient number, since it is larger than the sum of its proper divisors (24589661).

73768971 is a wasteful number, since it uses less digits than its factorization.

73768971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24589660.

The product of its digits is 444528, while the sum is 48.

The square root of 73768971 is about 8588.8864819603. The cubic root of 73768971 is about 419.3962811408.

The spelling of 73768971 in words is "seventy-three million, seven hundred sixty-eight thousand, nine hundred seventy-one".