73974751 has 2 divisors, whose sum is σ = 73974752. Its totient is φ = 73974750.

The previous prime is 73974743. The next prime is 73974787. The reversal of 73974751 is 15747937.

It is a weak prime.

It is an emirp because it is prime and its reverse (15747937) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73974751 - 2³ = 73974743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73974698 and 73974707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73974721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36987375 + 36987376.

It is an arithmetic number, because the mean of its divisors is an integer number (36987376).

Almost surely, 2^73974751 is an apocalyptic number.

73974751 is a deficient number, since it is larger than the sum of its proper divisors (1).

73974751 is an equidigital number, since it uses as much as digits as its factorization.

73974751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 185220, while the sum is 43.

The square root of 73974751 is about 8600.8575735214. The cubic root of 73974751 is about 419.7858904909.

The spelling of 73974751 in words is "seventy-three million, nine hundred seventy-four thousand, seven hundred fifty-one".