736878973 has 2 divisors, whose sum is σ = 736878974. Its totient is φ = 736878972.

The previous prime is 736878871. The next prime is 736878979. The reversal of 736878973 is 379878637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 653211364 + 83667609 = 25558^2 + 9147^2 .

It is a cyclic number.

It is not a de Polignac number, because 736878973 - 2²⁵ = 703324541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (736878979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 368439486 + 368439487.

It is an arithmetic number, because the mean of its divisors is an integer number (368439487).

Almost surely, 2^736878973 is an apocalyptic number.

It is an amenable number.

736878973 is a deficient number, since it is larger than the sum of its proper divisors (1).

736878973 is an equidigital number, since it uses as much as digits as its factorization.

736878973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10668672, while the sum is 58.

The square root of 736878973 is about 27145.5147860563. The cubic root of 736878973 is about 903.2307642454.

The spelling of 736878973 in words is "seven hundred thirty-six million, eight hundred seventy-eight thousand, nine hundred seventy-three".