1072777950 has 72 divisors (see below), whose sum is σ = 2898340536. Its totient is φ = 284472000.

The previous prime is 1072777939. The next prime is 1072777969. The reversal of 1072777950 is 597772701.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 1072777896 and 1072777905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 74865 + ... + 88035.

Almost surely, 2^1072777950 is an apocalyptic number.

1072777950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1072777950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1449170268).

1072777950 is an abundant number, since it is smaller than the sum of its proper divisors (1825562586).

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

1072777950 is a wasteful number, since it uses less digits than its factorization.

1072777950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13370 (or 13362 counting only the distinct ones).

The product of its (nonzero) digits is 216090, while the sum is 45.

The square root of 1072777950 is about 32753.2891478093. The cubic root of 1072777950 is about 1023.6935009766.

The spelling of 1072777950 in words is "one billion, seventy-two million, seven hundred seventy-seven thousand, nine hundred fifty".