1073978337 has 4 divisors (see below), whose sum is σ = 1431971120. Its totient is φ = 715985556.

The previous prime is 1073978303. The next prime is 1073978351. The reversal of 1073978337 is 7338793701.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1073978337 - 2²² = 1069784033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1073978387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178996387 + ... + 178996392.

It is an arithmetic number, because the mean of its divisors is an integer number (357992780).

Almost surely, 2^1073978337 is an apocalyptic number.

It is an amenable number.

1073978337 is a deficient number, since it is larger than the sum of its proper divisors (357992783).

1073978337 is an equidigital number, since it uses as much as digits as its factorization.

1073978337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357992782.

The product of its (nonzero) digits is 666792, while the sum is 48.

The square root of 1073978337 is about 32771.6087032663. The cubic root of 1073978337 is about 1024.0751799382.

The spelling of 1073978337 in words is "one billion, seventy-three million, nine hundred seventy-eight thousand, three hundred thirty-seven".