730878537 has 8 divisors (see below), whose sum is σ = 1005940480. Its totient is φ = 471534480.

The previous prime is 730878527. The next prime is 730878553. The reversal of 730878537 is 735878037.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 730878537 - 2¹⁰ = 730877513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730878527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3929362 + ... + 3929547.

It is an arithmetic number, because the mean of its divisors is an integer number (125742560).

Almost surely, 2^730878537 is an apocalyptic number.

It is an amenable number.

730878537 is a deficient number, since it is larger than the sum of its proper divisors (275061943).

730878537 is a wasteful number, since it uses less digits than its factorization.

730878537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7858943.

The product of its (nonzero) digits is 987840, while the sum is 48.

The square root of 730878537 is about 27034.7653402059. The cubic root of 730878537 is about 900.7723974178.

The spelling of 730878537 in words is "seven hundred thirty million, eight hundred seventy-eight thousand, five hundred thirty-seven".