90276061 has 4 divisors (see below), whose sum is σ = 93188224. Its totient is φ = 87363900.

The previous prime is 90276059. The next prime is 90276079. The reversal of 90276061 is 16067209.

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 a cyclic number.

It is not a de Polignac number, because 90276061 - 2¹ = 90276059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 2912131 = 90276061 / (9 + 0 + 2 + 7 + 6 + 0 + 6 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90276031) 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, 1456035 + ... + 1456096.

It is an arithmetic number, because the mean of its divisors is an integer number (23297056).

Almost surely, 2^90276061 is an apocalyptic number.

It is an amenable number.

90276061 is a deficient number, since it is larger than the sum of its proper divisors (2912163).

90276061 is a wasteful number, since it uses less digits than its factorization.

90276061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912162.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 90276061 is about 9501.3715325736. The cubic root of 90276061 is about 448.5982073647.

The spelling of 90276061 in words is "ninety million, two hundred seventy-six thousand, sixty-one".