73748047 has 2 divisors, whose sum is σ = 73748048. Its totient is φ = 73748046.

The previous prime is 73748009. The next prime is 73748083. The reversal of 73748047 is 74084737.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73748047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73745047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36874023 + 36874024.

It is an arithmetic number, because the mean of its divisors is an integer number (36874024).

Almost surely, 2^73748047 is an apocalyptic number.

73748047 is a deficient number, since it is larger than the sum of its proper divisors (1).

73748047 is an equidigital number, since it uses as much as digits as its factorization.

73748047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 73748047 is about 8587.6683098499. The cubic root of 73748047 is about 419.3566245503.

It can be divided in two parts, 737 and 48047, that added together give a palindrome (48784).

The spelling of 73748047 in words is "seventy-three million, seven hundred forty-eight thousand, forty-seven".