1420772 has 6 divisors (see below), whose sum is σ = 2486358. Its totient is φ = 710384.

The previous prime is 1420753. The next prime is 1420777. The reversal of 1420772 is 2770241.

It can be written as a sum of positive squares in only one way, i.e., 1240996 + 179776 = 1114^2 + 424^2 .

It is not an unprimeable number, because it can be changed into a prime (1420777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177593 + ... + 177600.

It is an arithmetic number, because the mean of its divisors is an integer number (414393).

2^1420772 is an apocalyptic number.

It is an amenable number.

1420772 is a deficient number, since it is larger than the sum of its proper divisors (1065586).

1420772 is a wasteful number, since it uses less digits than its factorization.

1420772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355197 (or 355195 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 1420772 is about 1191.9614087713. The cubic root of 1420772 is about 112.4194518076.

The spelling of 1420772 in words is "one million, four hundred twenty thousand, seven hundred seventy-two".