1049072478 has 8 divisors (see below), whose sum is σ = 2098144968. Its totient is φ = 349690824.

The previous prime is 1049072473. The next prime is 1049072483. The reversal of 1049072478 is 8742709401.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1049072473) and next prime (1049072483).

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

1049072478 is an admirable number.

It is a super-2 number, since 2×1049072478² = 2201106128194120968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049072473) 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, 87422701 + ... + 87422712.

It is an arithmetic number, because the mean of its divisors is an integer number (262268121).

Almost surely, 2^1049072478 is an apocalyptic number.

1049072478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1049072478 is a wasteful number, since it uses less digits than its factorization.

1049072478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174845418.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 1049072478 is about 32389.3883548300. The cubic root of 1049072478 is about 1016.0969892891.

The spelling of 1049072478 in words is "one billion, forty-nine million, seventy-two thousand, four hundred seventy-eight".