73746553 has 2 divisors, whose sum is σ = 73746554. Its totient is φ = 73746552.

The previous prime is 73746523. The next prime is 73746583. The reversal of 73746553 is 35564737.

It is a balanced prime because it is at equal distance from previous prime (73746523) and next prime (73746583).

It can be written as a sum of positive squares in only one way, i.e., 41062464 + 32684089 = 6408^2 + 5717^2 .

It is a cyclic number.

It is not a de Polignac number, because 73746553 - 2⁵ = 73746521 is a prime.

It is not a weakly prime, because it can be changed into another prime (73746503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36873276 + 36873277.

It is an arithmetic number, because the mean of its divisors is an integer number (36873277).

Almost surely, 2^73746553 is an apocalyptic number.

It is an amenable number.

73746553 is a deficient number, since it is larger than the sum of its proper divisors (1).

73746553 is an equidigital number, since it uses as much as digits as its factorization.

73746553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 264600, while the sum is 40.

The square root of 73746553 is about 8587.5813242146. The cubic root of 73746553 is about 419.3537927328.

The spelling of 73746553 in words is "seventy-three million, seven hundred forty-six thousand, five hundred fifty-three".